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Finding the Fourth Proportional to 224,136.88, 309,310.32 and 123,534.88

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Solution

The fourth proportional to 224,136.88, 309,310.32 and 123,534.88 is: 170,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,136.88 : 309,310.32 = 123,534.88 : x
  2. Step 2: Convert to fraction form
    224,136.88/309,310.32 = 123,534.88/x
  3. Step 3: Cross multiply
    224,136.88x = 309,310.32 × 123,534.88
  4. Step 4: Simplify right side
    224,136.88x = 38,210,613,263.96
  5. Step 5: Solve for x
    x = 38,210,613,263.96/224,136.88
  6. Step 6: Final answer
    x = 170,478.92

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1.5x scale

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.