Home / 267,851.22-402,036.03-196,991.70

Finding the Fourth Proportional to 267,851.22, 402,036.03 and 196,991.70

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Solution

The fourth proportional to 267,851.22, 402,036.03 and 196,991.70 is: 295,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,851.22 : 402,036.03 = 196,991.70 : x
  2. Step 2: Convert to fraction form
    267,851.22/402,036.03 = 196,991.70/x
  3. Step 3: Cross multiply
    267,851.22x = 402,036.03 × 196,991.70
  4. Step 4: Simplify right side
    267,851.22x = 79,197,761,010.95
  5. Step 5: Solve for x
    x = 79,197,761,010.95/267,851.22
  6. Step 6: Final answer
    x = 295,678.18

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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.