Home / 414,385.79-621,517.17-114,835.14

Finding the Fourth Proportional to 414,385.79, 621,517.17 and 114,835.14

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Solution

The fourth proportional to 414,385.79, 621,517.17 and 114,835.14 is: 172,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,385.79 : 621,517.17 = 114,835.14 : x
  2. Step 2: Convert to fraction form
    414,385.79/621,517.17 = 114,835.14/x
  3. Step 3: Cross multiply
    414,385.79x = 621,517.17 × 114,835.14
  4. Step 4: Simplify right side
    414,385.79x = 71,372,008,121.77
  5. Step 5: Solve for x
    x = 71,372,008,121.77/414,385.79
  6. Step 6: Final answer
    x = 172,235.66

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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.