Home / 339,974.10-509,961.15-227,999.70

Finding the Fourth Proportional to 339,974.10, 509,961.15 and 227,999.70

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Solution

The fourth proportional to 339,974.10, 509,961.15 and 227,999.70 is: 341,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,974.10 : 509,961.15 = 227,999.70 : x
  2. Step 2: Convert to fraction form
    339,974.10/509,961.15 = 227,999.70/x
  3. Step 3: Cross multiply
    339,974.10x = 509,961.15 × 227,999.70
  4. Step 4: Simplify right side
    339,974.10x = 116,270,989,211.66
  5. Step 5: Solve for x
    x = 116,270,989,211.66/339,974.10
  6. Step 6: Final answer
    x = 341,999.55

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1.5x scale

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.