Home / 247,207.50-370,591.34-89,400.87

Finding the Fourth Proportional to 247,207.50, 370,591.34 and 89,400.87

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Solution

The fourth proportional to 247,207.50, 370,591.34 and 89,400.87 is: 134,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,207.50 : 370,591.34 = 89,400.87 : x
  2. Step 2: Convert to fraction form
    247,207.50/370,591.34 = 89,400.87/x
  3. Step 3: Cross multiply
    247,207.50x = 370,591.34 × 89,400.87
  4. Step 4: Simplify right side
    247,207.50x = 33,131,187,763.46
  5. Step 5: Solve for x
    x = 33,131,187,763.46/247,207.50
  6. Step 6: Final answer
    x = 134,021.77

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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.