Home / 240,040.45-359,981.52-80,072.30

Finding the Fourth Proportional to 240,040.45, 359,981.52 and 80,072.30

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Solution

The fourth proportional to 240,040.45, 359,981.52 and 80,072.30 is: 120,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,040.45 : 359,981.52 = 80,072.30 : x
  2. Step 2: Convert to fraction form
    240,040.45/359,981.52 = 80,072.30/x
  3. Step 3: Cross multiply
    240,040.45x = 359,981.52 × 80,072.30
  4. Step 4: Simplify right side
    240,040.45x = 28,824,546,838.68
  5. Step 5: Solve for x
    x = 28,824,546,838.68/240,040.45
  6. Step 6: Final answer
    x = 120,082.04

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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.