Home / 320,231.29-480,330.46-95,593.59

Finding the Fourth Proportional to 320,231.29, 480,330.46 and 95,593.59

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Solution

The fourth proportional to 320,231.29, 480,330.46 and 95,593.59 is: 143,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,231.29 : 480,330.46 = 95,593.59 : x
  2. Step 2: Convert to fraction form
    320,231.29/480,330.46 = 95,593.59/x
  3. Step 3: Cross multiply
    320,231.29x = 480,330.46 × 95,593.59
  4. Step 4: Simplify right side
    320,231.29x = 45,916,513,057.75
  5. Step 5: Solve for x
    x = 45,916,513,057.75/320,231.29
  6. Step 6: Final answer
    x = 143,385.47

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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.