Home / 272,248.50-408,748.20-187,808.43

Finding the Fourth Proportional to 272,248.50, 408,748.20 and 187,808.43

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Solution

The fourth proportional to 272,248.50, 408,748.20 and 187,808.43 is: 281,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,248.50 : 408,748.20 = 187,808.43 : x
  2. Step 2: Convert to fraction form
    272,248.50/408,748.20 = 187,808.43/x
  3. Step 3: Cross multiply
    272,248.50x = 408,748.20 × 187,808.43
  4. Step 4: Simplify right side
    272,248.50x = 76,766,357,707.33
  5. Step 5: Solve for x
    x = 76,766,357,707.33/272,248.50
  6. Step 6: Final answer
    x = 281,971.65

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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.