Home / 371,770.26-557,654.27-105,531

Finding the Fourth Proportional to 371,770.26, 557,654.27 and 105,531

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Solution

The fourth proportional to 371,770.26, 557,654.27 and 105,531 is: 158,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,770.26 : 557,654.27 = 105,531 : x
  2. Step 2: Convert to fraction form
    371,770.26/557,654.27 = 105,531/x
  3. Step 3: Cross multiply
    371,770.26x = 557,654.27 × 105,531
  4. Step 4: Simplify right side
    371,770.26x = 58,849,812,767.37
  5. Step 5: Solve for x
    x = 58,849,812,767.37/371,770.26
  6. Step 6: Final answer
    x = 158,296.18

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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.