Home / 198,519.20-297,714.78-65,367.80

Finding the Fourth Proportional to 198,519.20, 297,714.78 and 65,367.80

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Solution

The fourth proportional to 198,519.20, 297,714.78 and 65,367.80 is: 98,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,519.20 : 297,714.78 = 65,367.80 : x
  2. Step 2: Convert to fraction form
    198,519.20/297,714.78 = 65,367.80/x
  3. Step 3: Cross multiply
    198,519.20x = 297,714.78 × 65,367.80
  4. Step 4: Simplify right side
    198,519.20x = 19,460,960,196.08
  5. Step 5: Solve for x
    x = 19,460,960,196.08/198,519.20
  6. Step 6: Final answer
    x = 98,030.62

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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.