Home / 207,972.60-311,498.10-161,073.40

Finding the Fourth Proportional to 207,972.60, 311,498.10 and 161,073.40

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Solution

The fourth proportional to 207,972.60, 311,498.10 and 161,073.40 is: 241,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,972.60 : 311,498.10 = 161,073.40 : x
  2. Step 2: Convert to fraction form
    207,972.60/311,498.10 = 161,073.40/x
  3. Step 3: Cross multiply
    207,972.60x = 311,498.10 × 161,073.40
  4. Step 4: Simplify right side
    207,972.60x = 50,174,058,060.54
  5. Step 5: Solve for x
    x = 50,174,058,060.54/207,972.60
  6. Step 6: Final answer
    x = 241,253.21

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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.