Home / 492,179.20-738,052.80-225,851.20

Finding the Fourth Proportional to 492,179.20, 738,052.80 and 225,851.20

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Solution

The fourth proportional to 492,179.20, 738,052.80 and 225,851.20 is: 338,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,179.20 : 738,052.80 = 225,851.20 : x
  2. Step 2: Convert to fraction form
    492,179.20/738,052.80 = 225,851.20/x
  3. Step 3: Cross multiply
    492,179.20x = 738,052.80 × 225,851.20
  4. Step 4: Simplify right side
    492,179.20x = 166,690,110,543.36
  5. Step 5: Solve for x
    x = 166,690,110,543.36/492,179.20
  6. Step 6: Final answer
    x = 338,677.68

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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.