Home / 656,915.04-985,372.56-158,279.04

Finding the Fourth Proportional to 656,915.04, 985,372.56 and 158,279.04

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Solution

The fourth proportional to 656,915.04, 985,372.56 and 158,279.04 is: 237,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,915.04 : 985,372.56 = 158,279.04 : x
  2. Step 2: Convert to fraction form
    656,915.04/985,372.56 = 158,279.04/x
  3. Step 3: Cross multiply
    656,915.04x = 985,372.56 × 158,279.04
  4. Step 4: Simplify right side
    656,915.04x = 155,963,822,839.14
  5. Step 5: Solve for x
    x = 155,963,822,839.14/656,915.04
  6. Step 6: Final answer
    x = 237,418.56

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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.