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Finding the Fourth Proportional to 555,976.58, 833,648.86 and 218,834.49

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Solution

The fourth proportional to 555,976.58, 833,648.86 and 218,834.49 is: 328,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,976.58 : 833,648.86 = 218,834.49 : x
  2. Step 2: Convert to fraction form
    555,976.58/833,648.86 = 218,834.49/x
  3. Step 3: Cross multiply
    555,976.58x = 833,648.86 × 218,834.49
  4. Step 4: Simplify right side
    555,976.58x = 182,431,126,516.91
  5. Step 5: Solve for x
    x = 182,431,126,516.91/555,976.58
  6. Step 6: Final answer
    x = 328,127.36

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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.