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Finding the Fourth Proportional to 275,191.73, 379,806.10 and 167,824.04

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Solution

The fourth proportional to 275,191.73, 379,806.10 and 167,824.04 is: 231,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,191.73 : 379,806.10 = 167,824.04 : x
  2. Step 2: Convert to fraction form
    275,191.73/379,806.10 = 167,824.04/x
  3. Step 3: Cross multiply
    275,191.73x = 379,806.10 × 167,824.04
  4. Step 4: Simplify right side
    275,191.73x = 63,740,596,199.86
  5. Step 5: Solve for x
    x = 63,740,596,199.86/275,191.73
  6. Step 6: Final answer
    x = 231,622.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.