Home / 230,076.24-345,272.04-80,316.57

Finding the Fourth Proportional to 230,076.24, 345,272.04 and 80,316.57

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Solution

The fourth proportional to 230,076.24, 345,272.04 and 80,316.57 is: 120,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,076.24 : 345,272.04 = 80,316.57 : x
  2. Step 2: Convert to fraction form
    230,076.24/345,272.04 = 80,316.57/x
  3. Step 3: Cross multiply
    230,076.24x = 345,272.04 × 80,316.57
  4. Step 4: Simplify right side
    230,076.24x = 27,731,065,969.70
  5. Step 5: Solve for x
    x = 27,731,065,969.70/230,076.24
  6. Step 6: Final answer
    x = 120,529.90

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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.