Home / 485,128.20-727,562.70-169,552.20

Finding the Fourth Proportional to 485,128.20, 727,562.70 and 169,552.20

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Solution

The fourth proportional to 485,128.20, 727,562.70 and 169,552.20 is: 254,283.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,128.20 : 727,562.70 = 169,552.20 : x
  2. Step 2: Convert to fraction form
    485,128.20/727,562.70 = 169,552.20/x
  3. Step 3: Cross multiply
    485,128.20x = 727,562.70 × 169,552.20
  4. Step 4: Simplify right side
    485,128.20x = 123,359,856,422.94
  5. Step 5: Solve for x
    x = 123,359,856,422.94/485,128.20
  6. Step 6: Final answer
    x = 254,283.00

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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.