Home / 242,717.28-334,951.50-135,294.06

Finding the Fourth Proportional to 242,717.28, 334,951.50 and 135,294.06

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Solution

The fourth proportional to 242,717.28, 334,951.50 and 135,294.06 is: 186,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,717.28 : 334,951.50 = 135,294.06 : x
  2. Step 2: Convert to fraction form
    242,717.28/334,951.50 = 135,294.06/x
  3. Step 3: Cross multiply
    242,717.28x = 334,951.50 × 135,294.06
  4. Step 4: Simplify right side
    242,717.28x = 45,316,948,338.09
  5. Step 5: Solve for x
    x = 45,316,948,338.09/242,717.28
  6. Step 6: Final answer
    x = 186,706.72

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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.