Home / 247,440.43-371,086.61-129,047.19

Finding the Fourth Proportional to 247,440.43, 371,086.61 and 129,047.19

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Solution

The fourth proportional to 247,440.43, 371,086.61 and 129,047.19 is: 193,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,440.43 : 371,086.61 = 129,047.19 : x
  2. Step 2: Convert to fraction form
    247,440.43/371,086.61 = 129,047.19/x
  3. Step 3: Cross multiply
    247,440.43x = 371,086.61 × 129,047.19
  4. Step 4: Simplify right side
    247,440.43x = 47,887,682,230.32
  5. Step 5: Solve for x
    x = 47,887,682,230.32/247,440.43
  6. Step 6: Final answer
    x = 193,532.16

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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.