Home / 352,525.38-486,015.22-280,169.85

Finding the Fourth Proportional to 352,525.38, 486,015.22 and 280,169.85

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Solution

The fourth proportional to 352,525.38, 486,015.22 and 280,169.85 is: 386,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,525.38 : 486,015.22 = 280,169.85 : x
  2. Step 2: Convert to fraction form
    352,525.38/486,015.22 = 280,169.85/x
  3. Step 3: Cross multiply
    352,525.38x = 486,015.22 × 280,169.85
  4. Step 4: Simplify right side
    352,525.38x = 136,166,811,285.12
  5. Step 5: Solve for x
    x = 136,166,811,285.12/352,525.38
  6. Step 6: Final answer
    x = 386,261.02

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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.