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Finding the Fourth Proportional to 275,800.80, 413,701.20 and 88,812.30

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Solution

The fourth proportional to 275,800.80, 413,701.20 and 88,812.30 is: 133,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,800.80 : 413,701.20 = 88,812.30 : x
  2. Step 2: Convert to fraction form
    275,800.80/413,701.20 = 88,812.30/x
  3. Step 3: Cross multiply
    275,800.80x = 413,701.20 × 88,812.30
  4. Step 4: Simplify right side
    275,800.80x = 36,741,755,084.76
  5. Step 5: Solve for x
    x = 36,741,755,084.76/275,800.80
  6. Step 6: Final answer
    x = 133,218.45

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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.