Home / 497,819.71-746,680.36-198,219.85

Finding the Fourth Proportional to 497,819.71, 746,680.36 and 198,219.85

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Solution

The fourth proportional to 497,819.71, 746,680.36 and 198,219.85 is: 297,310.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,819.71 : 746,680.36 = 198,219.85 : x
  2. Step 2: Convert to fraction form
    497,819.71/746,680.36 = 198,219.85/x
  3. Step 3: Cross multiply
    497,819.71x = 746,680.36 × 198,219.85
  4. Step 4: Simplify right side
    497,819.71x = 148,006,868,957.15
  5. Step 5: Solve for x
    x = 148,006,868,957.15/497,819.71
  6. Step 6: Final answer
    x = 297,310.18

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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.