Home / 767,427.03-1,151,143.92-198,767.75

Finding the Fourth Proportional to 767,427.03, 1,151,143.92 and 198,767.75

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Solution

The fourth proportional to 767,427.03, 1,151,143.92 and 198,767.75 is: 298,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,427.03 : 1,151,143.92 = 198,767.75 : x
  2. Step 2: Convert to fraction form
    767,427.03/1,151,143.92 = 198,767.75/x
  3. Step 3: Cross multiply
    767,427.03x = 1,151,143.92 × 198,767.75
  4. Step 4: Simplify right side
    767,427.03x = 228,810,281,148.86
  5. Step 5: Solve for x
    x = 228,810,281,148.86/767,427.03
  6. Step 6: Final answer
    x = 298,152.49

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.