Home / 321,209.06-443,253.57-176,013.98

Finding the Fourth Proportional to 321,209.06, 443,253.57 and 176,013.98

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Solution

The fourth proportional to 321,209.06, 443,253.57 and 176,013.98 is: 242,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,209.06 : 443,253.57 = 176,013.98 : x
  2. Step 2: Convert to fraction form
    321,209.06/443,253.57 = 176,013.98/x
  3. Step 3: Cross multiply
    321,209.06x = 443,253.57 × 176,013.98
  4. Step 4: Simplify right side
    321,209.06x = 78,018,825,004.91
  5. Step 5: Solve for x
    x = 78,018,825,004.91/321,209.06
  6. Step 6: Final answer
    x = 242,891.11

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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.