Home / 408,127.20-612,026.76-155,320.95

Finding the Fourth Proportional to 408,127.20, 612,026.76 and 155,320.95

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Solution

The fourth proportional to 408,127.20, 612,026.76 and 155,320.95 is: 232,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,127.20 : 612,026.76 = 155,320.95 : x
  2. Step 2: Convert to fraction form
    408,127.20/612,026.76 = 155,320.95/x
  3. Step 3: Cross multiply
    408,127.20x = 612,026.76 × 155,320.95
  4. Step 4: Simplify right side
    408,127.20x = 95,060,577,788.62
  5. Step 5: Solve for x
    x = 95,060,577,788.62/408,127.20
  6. Step 6: Final answer
    x = 232,919.00

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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.