Home / 224,215.28-309,419.20-123,616.88

Finding the Fourth Proportional to 224,215.28, 309,419.20 and 123,616.88

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Solution

The fourth proportional to 224,215.28, 309,419.20 and 123,616.88 is: 170,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,215.28 : 309,419.20 = 123,616.88 : x
  2. Step 2: Convert to fraction form
    224,215.28/309,419.20 = 123,616.88/x
  3. Step 3: Cross multiply
    224,215.28x = 309,419.20 × 123,616.88
  4. Step 4: Simplify right side
    224,215.28x = 38,249,436,116.10
  5. Step 5: Solve for x
    x = 38,249,436,116.10/224,215.28
  6. Step 6: Final answer
    x = 170,592.46

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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.