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Finding the Fourth Proportional to 240,674.64, 332,135.82 and 143,978.22

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Solution

The fourth proportional to 240,674.64, 332,135.82 and 143,978.22 is: 198,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,674.64 : 332,135.82 = 143,978.22 : x
  2. Step 2: Convert to fraction form
    240,674.64/332,135.82 = 143,978.22/x
  3. Step 3: Cross multiply
    240,674.64x = 332,135.82 × 143,978.22
  4. Step 4: Simplify right side
    240,674.64x = 47,820,324,161.84
  5. Step 5: Solve for x
    x = 47,820,324,161.84/240,674.64
  6. Step 6: Final answer
    x = 198,692.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.