Home / 339,839.49-509,726.33-103,184.22

Finding the Fourth Proportional to 339,839.49, 509,726.33 and 103,184.22

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Solution

The fourth proportional to 339,839.49, 509,726.33 and 103,184.22 is: 154,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,839.49 : 509,726.33 = 103,184.22 : x
  2. Step 2: Convert to fraction form
    339,839.49/509,726.33 = 103,184.22/x
  3. Step 3: Cross multiply
    339,839.49x = 509,726.33 × 103,184.22
  4. Step 4: Simplify right side
    339,839.49x = 52,595,713,774.51
  5. Step 5: Solve for x
    x = 52,595,713,774.51/339,839.49
  6. Step 6: Final answer
    x = 154,766.34

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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.