Home / 385,546.26-531,103.17-328,001.31

Finding the Fourth Proportional to 385,546.26, 531,103.17 and 328,001.31

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Solution

The fourth proportional to 385,546.26, 531,103.17 and 328,001.31 is: 451,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,546.26 : 531,103.17 = 328,001.31 : x
  2. Step 2: Convert to fraction form
    385,546.26/531,103.17 = 328,001.31/x
  3. Step 3: Cross multiply
    385,546.26x = 531,103.17 × 328,001.31
  4. Step 4: Simplify right side
    385,546.26x = 174,202,535,505.15
  5. Step 5: Solve for x
    x = 174,202,535,505.15/385,546.26
  6. Step 6: Final answer
    x = 451,833.03

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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.