Home / 231,383.20-347,130.24-79,577.68

Finding the Fourth Proportional to 231,383.20, 347,130.24 and 79,577.68

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Solution

The fourth proportional to 231,383.20, 347,130.24 and 79,577.68 is: 119,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,383.20 : 347,130.24 = 79,577.68 : x
  2. Step 2: Convert to fraction form
    231,383.20/347,130.24 = 79,577.68/x
  3. Step 3: Cross multiply
    231,383.20x = 347,130.24 × 79,577.68
  4. Step 4: Simplify right side
    231,383.20x = 27,623,819,157.04
  5. Step 5: Solve for x
    x = 27,623,819,157.04/231,383.20
  6. Step 6: Final answer
    x = 119,385.59

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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.