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Finding the Fourth Proportional to 441,106.38, 660,593.76 and 250,990.74

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Solution

The fourth proportional to 441,106.38, 660,593.76 and 250,990.74 is: 375,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,106.38 : 660,593.76 = 250,990.74 : x
  2. Step 2: Convert to fraction form
    441,106.38/660,593.76 = 250,990.74/x
  3. Step 3: Cross multiply
    441,106.38x = 660,593.76 × 250,990.74
  4. Step 4: Simplify right side
    441,106.38x = 165,802,916,661.78
  5. Step 5: Solve for x
    x = 165,802,916,661.78/441,106.38
  6. Step 6: Final answer
    x = 375,879.66

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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.