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Finding the Fourth Proportional to 275,066.57, 412,605.61 and 88,077.53

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Solution

The fourth proportional to 275,066.57, 412,605.61 and 88,077.53 is: 132,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,066.57 : 412,605.61 = 88,077.53 : x
  2. Step 2: Convert to fraction form
    275,066.57/412,605.61 = 88,077.53/x
  3. Step 3: Cross multiply
    275,066.57x = 412,605.61 × 88,077.53
  4. Step 4: Simplify right side
    275,066.57x = 36,341,282,992.94
  5. Step 5: Solve for x
    x = 36,341,282,992.94/275,066.57
  6. Step 6: Final answer
    x = 132,118.14

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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.