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Finding the Fourth Proportional to 444,154.79, 612,931.86 and 240,205.97

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Solution

The fourth proportional to 444,154.79, 612,931.86 and 240,205.97 is: 331,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,154.79 : 612,931.86 = 240,205.97 : x
  2. Step 2: Convert to fraction form
    444,154.79/612,931.86 = 240,205.97/x
  3. Step 3: Cross multiply
    444,154.79x = 612,931.86 × 240,205.97
  4. Step 4: Simplify right side
    444,154.79x = 147,229,893,507.53
  5. Step 5: Solve for x
    x = 147,229,893,507.53/444,154.79
  6. Step 6: Final answer
    x = 331,483.29

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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.