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Finding the Fourth Proportional to 240,333.80, 360,500.70 and 209,229.80

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Solution

The fourth proportional to 240,333.80, 360,500.70 and 209,229.80 is: 313,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,333.80 : 360,500.70 = 209,229.80 : x
  2. Step 2: Convert to fraction form
    240,333.80/360,500.70 = 209,229.80/x
  3. Step 3: Cross multiply
    240,333.80x = 360,500.70 × 209,229.80
  4. Step 4: Simplify right side
    240,333.80x = 75,427,489,360.86
  5. Step 5: Solve for x
    x = 75,427,489,360.86/240,333.80
  6. Step 6: Final answer
    x = 313,844.70

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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.