Home / 371,730.88-557,876.73-172,191.26

Finding the Fourth Proportional to 371,730.88, 557,876.73 and 172,191.26

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Solution

The fourth proportional to 371,730.88, 557,876.73 and 172,191.26 is: 258,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,730.88 : 557,876.73 = 172,191.26 : x
  2. Step 2: Convert to fraction form
    371,730.88/557,876.73 = 172,191.26/x
  3. Step 3: Cross multiply
    371,730.88x = 557,876.73 × 172,191.26
  4. Step 4: Simplify right side
    371,730.88x = 96,061,497,063.38
  5. Step 5: Solve for x
    x = 96,061,497,063.38/371,730.88
  6. Step 6: Final answer
    x = 258,416.78

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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.