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Finding the Fourth Proportional to 224,168.28, 309,354.30 and 123,569.88

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Solution

The fourth proportional to 224,168.28, 309,354.30 and 123,569.88 is: 170,527.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,168.28 : 309,354.30 = 123,569.88 : x
  2. Step 2: Convert to fraction form
    224,168.28/309,354.30 = 123,569.88/x
  3. Step 3: Cross multiply
    224,168.28x = 309,354.30 × 123,569.88
  4. Step 4: Simplify right side
    224,168.28x = 38,226,873,728.48
  5. Step 5: Solve for x
    x = 38,226,873,728.48/224,168.28
  6. Step 6: Final answer
    x = 170,527.58

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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.