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Finding the Fourth Proportional to 408,253.37, 563,357.75 and 226,954.26

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Solution

The fourth proportional to 408,253.37, 563,357.75 and 226,954.26 is: 313,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,253.37 : 563,357.75 = 226,954.26 : x
  2. Step 2: Convert to fraction form
    408,253.37/563,357.75 = 226,954.26/x
  3. Step 3: Cross multiply
    408,253.37x = 563,357.75 × 226,954.26
  4. Step 4: Simplify right side
    408,253.37x = 127,856,440,131.74
  5. Step 5: Solve for x
    x = 127,856,440,131.74/408,253.37
  6. Step 6: Final answer
    x = 313,179.15

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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.