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Finding the Fourth Proportional to 496,336.22, 744,434.03 and 159,332.49

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Solution

The fourth proportional to 496,336.22, 744,434.03 and 159,332.49 is: 238,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,336.22 : 744,434.03 = 159,332.49 : x
  2. Step 2: Convert to fraction form
    496,336.22/744,434.03 = 159,332.49/x
  3. Step 3: Cross multiply
    496,336.22x = 744,434.03 × 159,332.49
  4. Step 4: Simplify right side
    496,336.22x = 118,612,526,843.97
  5. Step 5: Solve for x
    x = 118,612,526,843.97/496,336.22
  6. Step 6: Final answer
    x = 238,976.17

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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.