Home / 372,919.40-559,379.10-231,201.80

Finding the Fourth Proportional to 372,919.40, 559,379.10 and 231,201.80

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Solution

The fourth proportional to 372,919.40, 559,379.10 and 231,201.80 is: 346,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,919.40 : 559,379.10 = 231,201.80 : x
  2. Step 2: Convert to fraction form
    372,919.40/559,379.10 = 231,201.80/x
  3. Step 3: Cross multiply
    372,919.40x = 559,379.10 × 231,201.80
  4. Step 4: Simplify right side
    372,919.40x = 129,329,454,802.38
  5. Step 5: Solve for x
    x = 129,329,454,802.38/372,919.40
  6. Step 6: Final answer
    x = 346,802.70

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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.