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Finding the Fourth Proportional to 169,360.67, 254,053.31 and 57,040.91

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Solution

The fourth proportional to 169,360.67, 254,053.31 and 57,040.91 is: 85,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,360.67 : 254,053.31 = 57,040.91 : x
  2. Step 2: Convert to fraction form
    169,360.67/254,053.31 = 57,040.91/x
  3. Step 3: Cross multiply
    169,360.67x = 254,053.31 × 57,040.91
  4. Step 4: Simplify right side
    169,360.67x = 14,491,431,709.00
  5. Step 5: Solve for x
    x = 14,491,431,709.00/169,360.67
  6. Step 6: Final answer
    x = 85,565.51

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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.