Home / 396,214.11-594,300.51-129,939.57

Finding the Fourth Proportional to 396,214.11, 594,300.51 and 129,939.57

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Solution

The fourth proportional to 396,214.11, 594,300.51 and 129,939.57 is: 194,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,214.11 : 594,300.51 = 129,939.57 : x
  2. Step 2: Convert to fraction form
    396,214.11/594,300.51 = 129,939.57/x
  3. Step 3: Cross multiply
    396,214.11x = 594,300.51 × 129,939.57
  4. Step 4: Simplify right side
    396,214.11x = 77,223,152,720.18
  5. Step 5: Solve for x
    x = 77,223,152,720.18/396,214.11
  6. Step 6: Final answer
    x = 194,902.58

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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.