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Finding the Fourth Proportional to 240,003.20, 360,004.80 and 82,236.80

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Solution

The fourth proportional to 240,003.20, 360,004.80 and 82,236.80 is: 123,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,003.20 : 360,004.80 = 82,236.80 : x
  2. Step 2: Convert to fraction form
    240,003.20/360,004.80 = 82,236.80/x
  3. Step 3: Cross multiply
    240,003.20x = 360,004.80 × 82,236.80
  4. Step 4: Simplify right side
    240,003.20x = 29,605,642,736.64
  5. Step 5: Solve for x
    x = 29,605,642,736.64/240,003.20
  6. Step 6: Final answer
    x = 123,355.20

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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.