Home / 278,706.26-418,068.06-132,614.15

Finding the Fourth Proportional to 278,706.26, 418,068.06 and 132,614.15

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Solution

The fourth proportional to 278,706.26, 418,068.06 and 132,614.15 is: 198,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,706.26 : 418,068.06 = 132,614.15 : x
  2. Step 2: Convert to fraction form
    278,706.26/418,068.06 = 132,614.15/x
  3. Step 3: Cross multiply
    278,706.26x = 418,068.06 × 132,614.15
  4. Step 4: Simplify right side
    278,706.26x = 55,441,740,419.05
  5. Step 5: Solve for x
    x = 55,441,740,419.05/278,706.26
  6. Step 6: Final answer
    x = 198,925.35

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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.