Home / 426,436.44-639,753.08-226,949.24

Finding the Fourth Proportional to 426,436.44, 639,753.08 and 226,949.24

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Solution

The fourth proportional to 426,436.44, 639,753.08 and 226,949.24 is: 340,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,436.44 : 639,753.08 = 226,949.24 : x
  2. Step 2: Convert to fraction form
    426,436.44/639,753.08 = 226,949.24/x
  3. Step 3: Cross multiply
    426,436.44x = 639,753.08 × 226,949.24
  4. Step 4: Simplify right side
    426,436.44x = 145,191,475,293.66
  5. Step 5: Solve for x
    x = 145,191,475,293.66/426,436.44
  6. Step 6: Final answer
    x = 340,476.24

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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.