Home / 216,279.72-298,444.68-120,784.35

Finding the Fourth Proportional to 216,279.72, 298,444.68 and 120,784.35

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Solution

The fourth proportional to 216,279.72, 298,444.68 and 120,784.35 is: 166,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,279.72 : 298,444.68 = 120,784.35 : x
  2. Step 2: Convert to fraction form
    216,279.72/298,444.68 = 120,784.35/x
  3. Step 3: Cross multiply
    216,279.72x = 298,444.68 × 120,784.35
  4. Step 4: Simplify right side
    216,279.72x = 36,047,446,684.76
  5. Step 5: Solve for x
    x = 36,047,446,684.76/216,279.72
  6. Step 6: Final answer
    x = 166,670.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.