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Finding the Fourth Proportional to 662,660.40, 994,249.80 and 241,978.80

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Solution

The fourth proportional to 662,660.40, 994,249.80 and 241,978.80 is: 363,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,660.40 : 994,249.80 = 241,978.80 : x
  2. Step 2: Convert to fraction form
    662,660.40/994,249.80 = 241,978.80/x
  3. Step 3: Cross multiply
    662,660.40x = 994,249.80 × 241,978.80
  4. Step 4: Simplify right side
    662,660.40x = 240,587,373,504.24
  5. Step 5: Solve for x
    x = 240,587,373,504.24/662,660.40
  6. Step 6: Final answer
    x = 363,062.85

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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.