Home / 236,481.20-354,721.80-147,907.70

Finding the Fourth Proportional to 236,481.20, 354,721.80 and 147,907.70

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Solution

The fourth proportional to 236,481.20, 354,721.80 and 147,907.70 is: 221,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,481.20 : 354,721.80 = 147,907.70 : x
  2. Step 2: Convert to fraction form
    236,481.20/354,721.80 = 147,907.70/x
  3. Step 3: Cross multiply
    236,481.20x = 354,721.80 × 147,907.70
  4. Step 4: Simplify right side
    236,481.20x = 52,466,085,577.86
  5. Step 5: Solve for x
    x = 52,466,085,577.86/236,481.20
  6. Step 6: Final answer
    x = 221,861.55

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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.