Home / 491,177.52-736,766.46-220,990.08

Finding the Fourth Proportional to 491,177.52, 736,766.46 and 220,990.08

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Solution

The fourth proportional to 491,177.52, 736,766.46 and 220,990.08 is: 331,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,177.52 : 736,766.46 = 220,990.08 : x
  2. Step 2: Convert to fraction form
    491,177.52/736,766.46 = 220,990.08/x
  3. Step 3: Cross multiply
    491,177.52x = 736,766.46 × 220,990.08
  4. Step 4: Simplify right side
    491,177.52x = 162,818,078,936.72
  5. Step 5: Solve for x
    x = 162,818,078,936.72/491,177.52
  6. Step 6: Final answer
    x = 331,485.20

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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.