Home / 327,042.06-490,351.98-156,171.34

Finding the Fourth Proportional to 327,042.06, 490,351.98 and 156,171.34

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Solution

The fourth proportional to 327,042.06, 490,351.98 and 156,171.34 is: 234,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,042.06 : 490,351.98 = 156,171.34 : x
  2. Step 2: Convert to fraction form
    327,042.06/490,351.98 = 156,171.34/x
  3. Step 3: Cross multiply
    327,042.06x = 490,351.98 × 156,171.34
  4. Step 4: Simplify right side
    327,042.06x = 76,578,925,788.25
  5. Step 5: Solve for x
    x = 76,578,925,788.25/327,042.06
  6. Step 6: Final answer
    x = 234,156.20

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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.