Home / 320,956.32-480,974.76-180,419.52

Finding the Fourth Proportional to 320,956.32, 480,974.76 and 180,419.52

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Solution

The fourth proportional to 320,956.32, 480,974.76 and 180,419.52 is: 270,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,956.32 : 480,974.76 = 180,419.52 : x
  2. Step 2: Convert to fraction form
    320,956.32/480,974.76 = 180,419.52/x
  3. Step 3: Cross multiply
    320,956.32x = 480,974.76 × 180,419.52
  4. Step 4: Simplify right side
    320,956.32x = 86,777,235,331.32
  5. Step 5: Solve for x
    x = 86,777,235,331.32/320,956.32
  6. Step 6: Final answer
    x = 270,370.86

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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.