Home / 408,845.10-613,296.45-231,437.10

Finding the Fourth Proportional to 408,845.10, 613,296.45 and 231,437.10

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Solution

The fourth proportional to 408,845.10, 613,296.45 and 231,437.10 is: 347,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,845.10 : 613,296.45 = 231,437.10 : x
  2. Step 2: Convert to fraction form
    408,845.10/613,296.45 = 231,437.10/x
  3. Step 3: Cross multiply
    408,845.10x = 613,296.45 × 231,437.10
  4. Step 4: Simplify right side
    408,845.10x = 141,939,551,828.30
  5. Step 5: Solve for x
    x = 141,939,551,828.30/408,845.10
  6. Step 6: Final answer
    x = 347,171.95

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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.