Home / 240,201.77-360,180.18-80,220.11

Finding the Fourth Proportional to 240,201.77, 360,180.18 and 80,220.11

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Solution

The fourth proportional to 240,201.77, 360,180.18 and 80,220.11 is: 120,289.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,201.77 : 360,180.18 = 80,220.11 : x
  2. Step 2: Convert to fraction form
    240,201.77/360,180.18 = 80,220.11/x
  3. Step 3: Cross multiply
    240,201.77x = 360,180.18 × 80,220.11
  4. Step 4: Simplify right side
    240,201.77x = 28,893,691,858.52
  5. Step 5: Solve for x
    x = 28,893,691,858.52/240,201.77
  6. Step 6: Final answer
    x = 120,289.26

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1.5x scale

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.