Home / 397,103.31-595,320.03-172,294.29

Finding the Fourth Proportional to 397,103.31, 595,320.03 and 172,294.29

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Solution

The fourth proportional to 397,103.31, 595,320.03 and 172,294.29 is: 258,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,103.31 : 595,320.03 = 172,294.29 : x
  2. Step 2: Convert to fraction form
    397,103.31/595,320.03 = 172,294.29/x
  3. Step 3: Cross multiply
    397,103.31x = 595,320.03 × 172,294.29
  4. Step 4: Simplify right side
    397,103.31x = 102,570,241,891.63
  5. Step 5: Solve for x
    x = 102,570,241,891.63/397,103.31
  6. Step 6: Final answer
    x = 258,296.11

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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.