Home / 396,381.42-594,349.29-130,119.66

Finding the Fourth Proportional to 396,381.42, 594,349.29 and 130,119.66

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Solution

The fourth proportional to 396,381.42, 594,349.29 and 130,119.66 is: 195,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,381.42 : 594,349.29 = 130,119.66 : x
  2. Step 2: Convert to fraction form
    396,381.42/594,349.29 = 130,119.66/x
  3. Step 3: Cross multiply
    396,381.42x = 594,349.29 × 130,119.66
  4. Step 4: Simplify right side
    396,381.42x = 77,336,527,536.04
  5. Step 5: Solve for x
    x = 77,336,527,536.04/396,381.42
  6. Step 6: Final answer
    x = 195,106.34

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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.