Home / 317,310.04-437,885.31-172,115.47

Finding the Fourth Proportional to 317,310.04, 437,885.31 and 172,115.47

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Solution

The fourth proportional to 317,310.04, 437,885.31 and 172,115.47 is: 237,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,310.04 : 437,885.31 = 172,115.47 : x
  2. Step 2: Convert to fraction form
    317,310.04/437,885.31 = 172,115.47/x
  3. Step 3: Cross multiply
    317,310.04x = 437,885.31 × 172,115.47
  4. Step 4: Simplify right side
    317,310.04x = 75,366,835,936.75
  5. Step 5: Solve for x
    x = 75,366,835,936.75/317,310.04
  6. Step 6: Final answer
    x = 237,517.97

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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.