Home / 198,620.04-297,939.20-65,511.96

Finding the Fourth Proportional to 198,620.04, 297,939.20 and 65,511.96

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Solution

The fourth proportional to 198,620.04, 297,939.20 and 65,511.96 is: 98,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,620.04 : 297,939.20 = 65,511.96 : x
  2. Step 2: Convert to fraction form
    198,620.04/297,939.20 = 65,511.96/x
  3. Step 3: Cross multiply
    198,620.04x = 297,939.20 × 65,511.96
  4. Step 4: Simplify right side
    198,620.04x = 19,518,580,952.83
  5. Step 5: Solve for x
    x = 19,518,580,952.83/198,620.04
  6. Step 6: Final answer
    x = 98,270.95

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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.