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Finding the Fourth Proportional to 324,840.48, 487,193.76 and 125,092.32

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Solution

The fourth proportional to 324,840.48, 487,193.76 and 125,092.32 is: 187,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,840.48 : 487,193.76 = 125,092.32 : x
  2. Step 2: Convert to fraction form
    324,840.48/487,193.76 = 125,092.32/x
  3. Step 3: Cross multiply
    324,840.48x = 487,193.76 × 125,092.32
  4. Step 4: Simplify right side
    324,840.48x = 60,944,197,727.92
  5. Step 5: Solve for x
    x = 60,944,197,727.92/324,840.48
  6. Step 6: Final answer
    x = 187,612.69

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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.