Home / 438,899.01-658,217.29-228,422.13

Finding the Fourth Proportional to 438,899.01, 658,217.29 and 228,422.13

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Solution

The fourth proportional to 438,899.01, 658,217.29 and 228,422.13 is: 342,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,899.01 : 658,217.29 = 228,422.13 : x
  2. Step 2: Convert to fraction form
    438,899.01/658,217.29 = 228,422.13/x
  3. Step 3: Cross multiply
    438,899.01x = 658,217.29 × 228,422.13
  4. Step 4: Simplify right side
    438,899.01x = 150,351,392,773.55
  5. Step 5: Solve for x
    x = 150,351,392,773.55/438,899.01
  6. Step 6: Final answer
    x = 342,564.90

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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.