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Finding the Fourth Proportional to 457,550.09, 631,456.91 and 253,664.96

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Solution

The fourth proportional to 457,550.09, 631,456.91 and 253,664.96 is: 350,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,550.09 : 631,456.91 = 253,664.96 : x
  2. Step 2: Convert to fraction form
    457,550.09/631,456.91 = 253,664.96/x
  3. Step 3: Cross multiply
    457,550.09x = 631,456.91 × 253,664.96
  4. Step 4: Simplify right side
    457,550.09x = 160,178,488,659.59
  5. Step 5: Solve for x
    x = 160,178,488,659.59/457,550.09
  6. Step 6: Final answer
    x = 350,078.59

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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.