Home / 320,691.07-480,999.75-84,052.41

Finding the Fourth Proportional to 320,691.07, 480,999.75 and 84,052.41

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Solution

The fourth proportional to 320,691.07, 480,999.75 and 84,052.41 is: 126,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,691.07 : 480,999.75 = 84,052.41 : x
  2. Step 2: Convert to fraction form
    320,691.07/480,999.75 = 84,052.41/x
  3. Step 3: Cross multiply
    320,691.07x = 480,999.75 × 84,052.41
  4. Step 4: Simplify right side
    320,691.07x = 40,429,188,196.90
  5. Step 5: Solve for x
    x = 40,429,188,196.90/320,691.07
  6. Step 6: Final answer
    x = 126,068.96

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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.