Home / 339,861.43-509,759.13-103,206.16

Finding the Fourth Proportional to 339,861.43, 509,759.13 and 103,206.16

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Solution

The fourth proportional to 339,861.43, 509,759.13 and 103,206.16 is: 154,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,861.43 : 509,759.13 = 103,206.16 : x
  2. Step 2: Convert to fraction form
    339,861.43/509,759.13 = 103,206.16/x
  3. Step 3: Cross multiply
    339,861.43x = 509,759.13 × 103,206.16
  4. Step 4: Simplify right side
    339,861.43x = 52,610,279,525.43
  5. Step 5: Solve for x
    x = 52,610,279,525.43/339,861.43
  6. Step 6: Final answer
    x = 154,799.21

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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.