Home / 218,719.80-328,233.30-94,150.20

Finding the Fourth Proportional to 218,719.80, 328,233.30 and 94,150.20

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Solution

The fourth proportional to 218,719.80, 328,233.30 and 94,150.20 is: 141,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,719.80 : 328,233.30 = 94,150.20 : x
  2. Step 2: Convert to fraction form
    218,719.80/328,233.30 = 94,150.20/x
  3. Step 3: Cross multiply
    218,719.80x = 328,233.30 × 94,150.20
  4. Step 4: Simplify right side
    218,719.80x = 30,903,230,841.66
  5. Step 5: Solve for x
    x = 30,903,230,841.66/218,719.80
  6. Step 6: Final answer
    x = 141,291.42

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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.