Home / 229,780.20-344,951.10-130,009.80

Finding the Fourth Proportional to 229,780.20, 344,951.10 and 130,009.80

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Solution

The fourth proportional to 229,780.20, 344,951.10 and 130,009.80 is: 195,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,780.20 : 344,951.10 = 130,009.80 : x
  2. Step 2: Convert to fraction form
    229,780.20/344,951.10 = 130,009.80/x
  3. Step 3: Cross multiply
    229,780.20x = 344,951.10 × 130,009.80
  4. Step 4: Simplify right side
    229,780.20x = 44,847,023,520.78
  5. Step 5: Solve for x
    x = 44,847,023,520.78/229,780.20
  6. Step 6: Final answer
    x = 195,173.58

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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.