Home / 208,392.03-312,588-50,619.42

Finding the Fourth Proportional to 208,392.03, 312,588 and 50,619.42

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Solution

The fourth proportional to 208,392.03, 312,588 and 50,619.42 is: 75,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,392.03 : 312,588 = 50,619.42 : x
  2. Step 2: Convert to fraction form
    208,392.03/312,588 = 50,619.42/x
  3. Step 3: Cross multiply
    208,392.03x = 312,588 × 50,619.42
  4. Step 4: Simplify right side
    208,392.03x = 15,823,023,258.96
  5. Step 5: Solve for x
    x = 15,823,023,258.96/208,392.03
  6. Step 6: Final answer
    x = 75,929.12

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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.