Home / 412,177.20-618,151.59-145,902.66

Finding the Fourth Proportional to 412,177.20, 618,151.59 and 145,902.66

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Solution

The fourth proportional to 412,177.20, 618,151.59 and 145,902.66 is: 218,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,177.20 : 618,151.59 = 145,902.66 : x
  2. Step 2: Convert to fraction form
    412,177.20/618,151.59 = 145,902.66/x
  3. Step 3: Cross multiply
    412,177.20x = 618,151.59 × 145,902.66
  4. Step 4: Simplify right side
    412,177.20x = 90,189,961,264.23
  5. Step 5: Solve for x
    x = 90,189,961,264.23/412,177.20
  6. Step 6: Final answer
    x = 218,813.56

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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.