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Finding the Fourth Proportional to 275,650.20, 380,438.49 and 168,282.68

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Solution

The fourth proportional to 275,650.20, 380,438.49 and 168,282.68 is: 232,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,650.20 : 380,438.49 = 168,282.68 : x
  2. Step 2: Convert to fraction form
    275,650.20/380,438.49 = 168,282.68/x
  3. Step 3: Cross multiply
    275,650.20x = 380,438.49 × 168,282.68
  4. Step 4: Simplify right side
    275,650.20x = 64,021,206,770.16
  5. Step 5: Solve for x
    x = 64,021,206,770.16/275,650.20
  6. Step 6: Final answer
    x = 232,255.25

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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.