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Finding the Fourth Proportional to 224,864.80, 337,316.40 and 77,120.80

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Solution

The fourth proportional to 224,864.80, 337,316.40 and 77,120.80 is: 115,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,864.80 : 337,316.40 = 77,120.80 : x
  2. Step 2: Convert to fraction form
    224,864.80/337,316.40 = 77,120.80/x
  3. Step 3: Cross multiply
    224,864.80x = 337,316.40 × 77,120.80
  4. Step 4: Simplify right side
    224,864.80x = 26,014,110,621.12
  5. Step 5: Solve for x
    x = 26,014,110,621.12/224,864.80
  6. Step 6: Final answer
    x = 115,687.78

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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.