Home / 295,330.20-442,995.30-272,520.60

Finding the Fourth Proportional to 295,330.20, 442,995.30 and 272,520.60

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Solution

The fourth proportional to 295,330.20, 442,995.30 and 272,520.60 is: 408,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,330.20 : 442,995.30 = 272,520.60 : x
  2. Step 2: Convert to fraction form
    295,330.20/442,995.30 = 272,520.60/x
  3. Step 3: Cross multiply
    295,330.20x = 442,995.30 × 272,520.60
  4. Step 4: Simplify right side
    295,330.20x = 120,725,344,953.18
  5. Step 5: Solve for x
    x = 120,725,344,953.18/295,330.20
  6. Step 6: Final answer
    x = 408,780.90

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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.