Home / 279,517.03-385,738.17-158,662.02

Finding the Fourth Proportional to 279,517.03, 385,738.17 and 158,662.02

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Solution

The fourth proportional to 279,517.03, 385,738.17 and 158,662.02 is: 218,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,517.03 : 385,738.17 = 158,662.02 : x
  2. Step 2: Convert to fraction form
    279,517.03/385,738.17 = 158,662.02/x
  3. Step 3: Cross multiply
    279,517.03x = 385,738.17 × 158,662.02
  4. Step 4: Simplify right side
    279,517.03x = 61,201,998,094.84
  5. Step 5: Solve for x
    x = 61,201,998,094.84/279,517.03
  6. Step 6: Final answer
    x = 218,956.24

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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.