Home / 375,229.11-517,817.04-203,148.90

Finding the Fourth Proportional to 375,229.11, 517,817.04 and 203,148.90

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Solution

The fourth proportional to 375,229.11, 517,817.04 and 203,148.90 is: 280,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,229.11 : 517,817.04 = 203,148.90 : x
  2. Step 2: Convert to fraction form
    375,229.11/517,817.04 = 203,148.90/x
  3. Step 3: Cross multiply
    375,229.11x = 517,817.04 × 203,148.90
  4. Step 4: Simplify right side
    375,229.11x = 105,193,962,077.26
  5. Step 5: Solve for x
    x = 105,193,962,077.26/375,229.11
  6. Step 6: Final answer
    x = 280,345.95

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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.