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Finding the Fourth Proportional to 408,253.50, 563,357.92 and 226,954.39

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Solution

The fourth proportional to 408,253.50, 563,357.92 and 226,954.39 is: 313,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,253.50 : 563,357.92 = 226,954.39 : x
  2. Step 2: Convert to fraction form
    408,253.50/563,357.92 = 226,954.39/x
  3. Step 3: Cross multiply
    408,253.50x = 563,357.92 × 226,954.39
  4. Step 4: Simplify right side
    408,253.50x = 127,856,551,950.50
  5. Step 5: Solve for x
    x = 127,856,551,950.50/408,253.50
  6. Step 6: Final answer
    x = 313,179.32

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1.5x scale

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.