Home / 457,481.68-631,317.06-253,531.92

Finding the Fourth Proportional to 457,481.68, 631,317.06 and 253,531.92

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Solution

The fourth proportional to 457,481.68, 631,317.06 and 253,531.92 is: 349,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,481.68 : 631,317.06 = 253,531.92 : x
  2. Step 2: Convert to fraction form
    457,481.68/631,317.06 = 253,531.92/x
  3. Step 3: Cross multiply
    457,481.68x = 631,317.06 × 253,531.92
  4. Step 4: Simplify right side
    457,481.68x = 160,059,026,350.56
  5. Step 5: Solve for x
    x = 160,059,026,350.56/457,481.68
  6. Step 6: Final answer
    x = 349,869.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.