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Finding the Fourth Proportional to 444,139.14, 612,916.85 and 240,194.03

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Solution

The fourth proportional to 444,139.14, 612,916.85 and 240,194.03 is: 331,470.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,139.14 : 612,916.85 = 240,194.03 : x
  2. Step 2: Convert to fraction form
    444,139.14/612,916.85 = 240,194.03/x
  3. Step 3: Cross multiply
    444,139.14x = 612,916.85 × 240,194.03
  4. Step 4: Simplify right side
    444,139.14x = 147,218,963,990.85
  5. Step 5: Solve for x
    x = 147,218,963,990.85/444,139.14
  6. Step 6: Final answer
    x = 331,470.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.