Home / 229,546.17-316,753.54-127,565.21

Finding the Fourth Proportional to 229,546.17, 316,753.54 and 127,565.21

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Solution

The fourth proportional to 229,546.17, 316,753.54 and 127,565.21 is: 176,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,546.17 : 316,753.54 = 127,565.21 : x
  2. Step 2: Convert to fraction form
    229,546.17/316,753.54 = 127,565.21/x
  3. Step 3: Cross multiply
    229,546.17x = 316,753.54 × 127,565.21
  4. Step 4: Simplify right side
    229,546.17x = 40,406,732,321.31
  5. Step 5: Solve for x
    x = 40,406,732,321.31/229,546.17
  6. Step 6: Final answer
    x = 176,028.78

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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.