Home / 275,634.18-380,266.61-159,270.75

Finding the Fourth Proportional to 275,634.18, 380,266.61 and 159,270.75

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Solution

The fourth proportional to 275,634.18, 380,266.61 and 159,270.75 is: 219,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,634.18 : 380,266.61 = 159,270.75 : x
  2. Step 2: Convert to fraction form
    275,634.18/380,266.61 = 159,270.75/x
  3. Step 3: Cross multiply
    275,634.18x = 380,266.61 × 159,270.75
  4. Step 4: Simplify right side
    275,634.18x = 60,565,347,378.30
  5. Step 5: Solve for x
    x = 60,565,347,378.30/275,634.18
  6. Step 6: Final answer
    x = 219,730.90

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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.