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Finding the Fourth Proportional to 275,600.10, 413,400.15 and 181,121.70

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Solution

The fourth proportional to 275,600.10, 413,400.15 and 181,121.70 is: 271,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,600.10 : 413,400.15 = 181,121.70 : x
  2. Step 2: Convert to fraction form
    275,600.10/413,400.15 = 181,121.70/x
  3. Step 3: Cross multiply
    275,600.10x = 413,400.15 × 181,121.70
  4. Step 4: Simplify right side
    275,600.10x = 74,875,737,948.26
  5. Step 5: Solve for x
    x = 74,875,737,948.26/275,600.10
  6. Step 6: Final answer
    x = 271,682.55

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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.