Home / 498,233.12-746,889.80-198,641.25

Finding the Fourth Proportional to 498,233.12, 746,889.80 and 198,641.25

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Solution

The fourth proportional to 498,233.12, 746,889.80 and 198,641.25 is: 297,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,233.12 : 746,889.80 = 198,641.25 : x
  2. Step 2: Convert to fraction form
    498,233.12/746,889.80 = 198,641.25/x
  3. Step 3: Cross multiply
    498,233.12x = 746,889.80 × 198,641.25
  4. Step 4: Simplify right side
    498,233.12x = 148,363,122,491.04
  5. Step 5: Solve for x
    x = 148,363,122,491.04/498,233.12
  6. Step 6: Final answer
    x = 297,778.53

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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.