Home / 360,147.12-496,410.30-255,406.02

Finding the Fourth Proportional to 360,147.12, 496,410.30 and 255,406.02

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Solution

The fourth proportional to 360,147.12, 496,410.30 and 255,406.02 is: 352,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,147.12 : 496,410.30 = 255,406.02 : x
  2. Step 2: Convert to fraction form
    360,147.12/496,410.30 = 255,406.02/x
  3. Step 3: Cross multiply
    360,147.12x = 496,410.30 × 255,406.02
  4. Step 4: Simplify right side
    360,147.12x = 126,786,179,010.01
  5. Step 5: Solve for x
    x = 126,786,179,010.01/360,147.12
  6. Step 6: Final answer
    x = 352,039.96

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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.