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Finding the Fourth Proportional to 275,790.30, 413,685.45 and 88,801.80

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Solution

The fourth proportional to 275,790.30, 413,685.45 and 88,801.80 is: 133,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,790.30 : 413,685.45 = 88,801.80 : x
  2. Step 2: Convert to fraction form
    275,790.30/413,685.45 = 88,801.80/x
  3. Step 3: Cross multiply
    275,790.30x = 413,685.45 × 88,801.80
  4. Step 4: Simplify right side
    275,790.30x = 36,736,012,593.81
  5. Step 5: Solve for x
    x = 36,736,012,593.81/275,790.30
  6. Step 6: Final answer
    x = 133,202.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.