Home / 288,719.10-432,422.55-182,430.90

Finding the Fourth Proportional to 288,719.10, 432,422.55 and 182,430.90

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Solution

The fourth proportional to 288,719.10, 432,422.55 and 182,430.90 is: 273,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,719.10 : 432,422.55 = 182,430.90 : x
  2. Step 2: Convert to fraction form
    288,719.10/432,422.55 = 182,430.90/x
  3. Step 3: Cross multiply
    288,719.10x = 432,422.55 × 182,430.90
  4. Step 4: Simplify right side
    288,719.10x = 78,887,234,976.80
  5. Step 5: Solve for x
    x = 78,887,234,976.80/288,719.10
  6. Step 6: Final answer
    x = 273,231.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.