Home / 339,983.20-510,120.60-173,771.20

Finding the Fourth Proportional to 339,983.20, 510,120.60 and 173,771.20

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Solution

The fourth proportional to 339,983.20, 510,120.60 and 173,771.20 is: 260,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,983.20 : 510,120.60 = 173,771.20 : x
  2. Step 2: Convert to fraction form
    339,983.20/510,120.60 = 173,771.20/x
  3. Step 3: Cross multiply
    339,983.20x = 510,120.60 × 173,771.20
  4. Step 4: Simplify right side
    339,983.20x = 88,644,268,806.72
  5. Step 5: Solve for x
    x = 88,644,268,806.72/339,983.20
  6. Step 6: Final answer
    x = 260,731.32

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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.