Home / 339,837.65-509,723.51-103,182.38

Finding the Fourth Proportional to 339,837.65, 509,723.51 and 103,182.38

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Solution

The fourth proportional to 339,837.65, 509,723.51 and 103,182.38 is: 154,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,837.65 : 509,723.51 = 103,182.38 : x
  2. Step 2: Convert to fraction form
    339,837.65/509,723.51 = 103,182.38/x
  3. Step 3: Cross multiply
    339,837.65x = 509,723.51 × 103,182.38
  4. Step 4: Simplify right side
    339,837.65x = 52,594,481,839.22
  5. Step 5: Solve for x
    x = 52,594,481,839.22/339,837.65
  6. Step 6: Final answer
    x = 154,763.55

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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.