Home / 321,192.29-443,226.07-177,941.97

Finding the Fourth Proportional to 321,192.29, 443,226.07 and 177,941.97

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Solution

The fourth proportional to 321,192.29, 443,226.07 and 177,941.97 is: 245,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,192.29 : 443,226.07 = 177,941.97 : x
  2. Step 2: Convert to fraction form
    321,192.29/443,226.07 = 177,941.97/x
  3. Step 3: Cross multiply
    321,192.29x = 443,226.07 × 177,941.97
  4. Step 4: Simplify right side
    321,192.29x = 78,868,520,051.16
  5. Step 5: Solve for x
    x = 78,868,520,051.16/321,192.29
  6. Step 6: Final answer
    x = 245,549.23

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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.