Home / 296,687.13-445,073.10-91,539.16

Finding the Fourth Proportional to 296,687.13, 445,073.10 and 91,539.16

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Solution

The fourth proportional to 296,687.13, 445,073.10 and 91,539.16 is: 137,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,687.13 : 445,073.10 = 91,539.16 : x
  2. Step 2: Convert to fraction form
    296,687.13/445,073.10 = 91,539.16/x
  3. Step 3: Cross multiply
    296,687.13x = 445,073.10 × 91,539.16
  4. Step 4: Simplify right side
    296,687.13x = 40,741,619,532.54
  5. Step 5: Solve for x
    x = 40,741,619,532.54/296,687.13
  6. Step 6: Final answer
    x = 137,321.83

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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.