Home / 247,004.20-370,506.30-89,237.80

Finding the Fourth Proportional to 247,004.20, 370,506.30 and 89,237.80

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Solution

The fourth proportional to 247,004.20, 370,506.30 and 89,237.80 is: 133,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,004.20 : 370,506.30 = 89,237.80 : x
  2. Step 2: Convert to fraction form
    247,004.20/370,506.30 = 89,237.80/x
  3. Step 3: Cross multiply
    247,004.20x = 370,506.30 × 89,237.80
  4. Step 4: Simplify right side
    247,004.20x = 33,063,167,098.14
  5. Step 5: Solve for x
    x = 33,063,167,098.14/247,004.20
  6. Step 6: Final answer
    x = 133,856.70

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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.