Home / 320,519.14-480,890.22-120,896.80

Finding the Fourth Proportional to 320,519.14, 480,890.22 and 120,896.80

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Solution

The fourth proportional to 320,519.14, 480,890.22 and 120,896.80 is: 181,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,519.14 : 480,890.22 = 120,896.80 : x
  2. Step 2: Convert to fraction form
    320,519.14/480,890.22 = 120,896.80/x
  3. Step 3: Cross multiply
    320,519.14x = 480,890.22 × 120,896.80
  4. Step 4: Simplify right side
    320,519.14x = 58,138,088,749.30
  5. Step 5: Solve for x
    x = 58,138,088,749.30/320,519.14
  6. Step 6: Final answer
    x = 181,387.26

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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.