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Finding the Fourth Proportional to 484,992.16, 727,489.68 and 169,449.10

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Solution

The fourth proportional to 484,992.16, 727,489.68 and 169,449.10 is: 254,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,992.16 : 727,489.68 = 169,449.10 : x
  2. Step 2: Convert to fraction form
    484,992.16/727,489.68 = 169,449.10/x
  3. Step 3: Cross multiply
    484,992.16x = 727,489.68 × 169,449.10
  4. Step 4: Simplify right side
    484,992.16x = 123,272,471,535.29
  5. Step 5: Solve for x
    x = 123,272,471,535.29/484,992.16
  6. Step 6: Final answer
    x = 254,174.15

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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.