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Finding the Fourth Proportional to 408,053.37, 563,102.44 and 226,760.66

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Solution

The fourth proportional to 408,053.37, 563,102.44 and 226,760.66 is: 312,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,053.37 : 563,102.44 = 226,760.66 : x
  2. Step 2: Convert to fraction form
    408,053.37/563,102.44 = 226,760.66/x
  3. Step 3: Cross multiply
    408,053.37x = 563,102.44 × 226,760.66
  4. Step 4: Simplify right side
    408,053.37x = 127,689,477,559.60
  5. Step 5: Solve for x
    x = 127,689,477,559.60/408,053.37
  6. Step 6: Final answer
    x = 312,923.47

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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.