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Finding the Fourth Proportional to 198,001.65, 297,002.48 and 71,641.65

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Solution

The fourth proportional to 198,001.65, 297,002.48 and 71,641.65 is: 107,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,001.65 : 297,002.48 = 71,641.65 : x
  2. Step 2: Convert to fraction form
    198,001.65/297,002.48 = 71,641.65/x
  3. Step 3: Cross multiply
    198,001.65x = 297,002.48 × 71,641.65
  4. Step 4: Simplify right side
    198,001.65x = 21,277,747,363.08
  5. Step 5: Solve for x
    x = 21,277,747,363.08/198,001.65
  6. Step 6: Final answer
    x = 107,462.48

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1.5x scale

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.