Home / 316,044.28-474,066.88-129,055.78

Finding the Fourth Proportional to 316,044.28, 474,066.88 and 129,055.78

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Solution

The fourth proportional to 316,044.28, 474,066.88 and 129,055.78 is: 193,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,044.28 : 474,066.88 = 129,055.78 : x
  2. Step 2: Convert to fraction form
    316,044.28/474,066.88 = 129,055.78/x
  3. Step 3: Cross multiply
    316,044.28x = 474,066.88 × 129,055.78
  4. Step 4: Simplify right side
    316,044.28x = 61,181,071,240.51
  5. Step 5: Solve for x
    x = 61,181,071,240.51/316,044.28
  6. Step 6: Final answer
    x = 193,583.86

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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.