Home / 320,170.41-480,503.46-120,672.27

Finding the Fourth Proportional to 320,170.41, 480,503.46 and 120,672.27

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Solution

The fourth proportional to 320,170.41, 480,503.46 and 120,672.27 is: 181,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,170.41 : 480,503.46 = 120,672.27 : x
  2. Step 2: Convert to fraction form
    320,170.41/480,503.46 = 120,672.27/x
  3. Step 3: Cross multiply
    320,170.41x = 480,503.46 × 120,672.27
  4. Step 4: Simplify right side
    320,170.41x = 57,983,443,261.05
  5. Step 5: Solve for x
    x = 57,983,443,261.05/320,170.41
  6. Step 6: Final answer
    x = 181,101.82

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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.