Home / 320,308.25-480,562.32-95,677.55

Finding the Fourth Proportional to 320,308.25, 480,562.32 and 95,677.55

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Solution

The fourth proportional to 320,308.25, 480,562.32 and 95,677.55 is: 143,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,308.25 : 480,562.32 = 95,677.55 : x
  2. Step 2: Convert to fraction form
    320,308.25/480,562.32 = 95,677.55/x
  3. Step 3: Cross multiply
    320,308.25x = 480,562.32 × 95,677.55
  4. Step 4: Simplify right side
    320,308.25x = 45,979,022,997.10
  5. Step 5: Solve for x
    x = 45,979,022,997.10/320,308.25
  6. Step 6: Final answer
    x = 143,546.17

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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.