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Finding the Fourth Proportional to 441,151.70, 660,661.23 and 251,035.70

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Solution

The fourth proportional to 441,151.70, 660,661.23 and 251,035.70 is: 375,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,151.70 : 660,661.23 = 251,035.70 : x
  2. Step 2: Convert to fraction form
    441,151.70/660,661.23 = 251,035.70/x
  3. Step 3: Cross multiply
    441,151.70x = 660,661.23 × 251,035.70
  4. Step 4: Simplify right side
    441,151.70x = 165,849,554,335.91
  5. Step 5: Solve for x
    x = 165,849,554,335.91/441,151.70
  6. Step 6: Final answer
    x = 375,946.76

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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.