Home / 339,849.40-509,774.10-103,180.60

Finding the Fourth Proportional to 339,849.40, 509,774.10 and 103,180.60

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Solution

The fourth proportional to 339,849.40, 509,774.10 and 103,180.60 is: 154,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,849.40 : 509,774.10 = 103,180.60 : x
  2. Step 2: Convert to fraction form
    339,849.40/509,774.10 = 103,180.60/x
  3. Step 3: Cross multiply
    339,849.40x = 509,774.10 × 103,180.60
  4. Step 4: Simplify right side
    339,849.40x = 52,598,797,502.46
  5. Step 5: Solve for x
    x = 52,598,797,502.46/339,849.40
  6. Step 6: Final answer
    x = 154,770.90

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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.