Home / 345,546.09-517,964.04-132,264

Finding the Fourth Proportional to 345,546.09, 517,964.04 and 132,264

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Solution

The fourth proportional to 345,546.09, 517,964.04 and 132,264 is: 198,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,546.09 : 517,964.04 = 132,264 : x
  2. Step 2: Convert to fraction form
    345,546.09/517,964.04 = 132,264/x
  3. Step 3: Cross multiply
    345,546.09x = 517,964.04 × 132,264
  4. Step 4: Simplify right side
    345,546.09x = 68,507,995,786.56
  5. Step 5: Solve for x
    x = 68,507,995,786.56/345,546.09
  6. Step 6: Final answer
    x = 198,260.08

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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.