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Finding the Fourth Proportional to 224,812.40, 337,121.40 and 112,449.20

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Solution

The fourth proportional to 224,812.40, 337,121.40 and 112,449.20 is: 168,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,812.40 : 337,121.40 = 112,449.20 : x
  2. Step 2: Convert to fraction form
    224,812.40/337,121.40 = 112,449.20/x
  3. Step 3: Cross multiply
    224,812.40x = 337,121.40 × 112,449.20
  4. Step 4: Simplify right side
    224,812.40x = 37,909,031,732.88
  5. Step 5: Solve for x
    x = 37,909,031,732.88/224,812.40
  6. Step 6: Final answer
    x = 168,625.18

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1.5x scale

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.