Home / 247,917.20-372,264.60-142,941.20

Finding the Fourth Proportional to 247,917.20, 372,264.60 and 142,941.20

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Solution

The fourth proportional to 247,917.20, 372,264.60 and 142,941.20 is: 214,635.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,917.20 : 372,264.60 = 142,941.20 : x
  2. Step 2: Convert to fraction form
    247,917.20/372,264.60 = 142,941.20/x
  3. Step 3: Cross multiply
    247,917.20x = 372,264.60 × 142,941.20
  4. Step 4: Simplify right side
    247,917.20x = 53,211,948,641.52
  5. Step 5: Solve for x
    x = 53,211,948,641.52/247,917.20
  6. Step 6: Final answer
    x = 214,635.97

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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.