Home / 396,346.50-594,581.65-130,046.45

Finding the Fourth Proportional to 396,346.50, 594,581.65 and 130,046.45

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Solution

The fourth proportional to 396,346.50, 594,581.65 and 130,046.45 is: 195,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,346.50 : 594,581.65 = 130,046.45 : x
  2. Step 2: Convert to fraction form
    396,346.50/594,581.65 = 130,046.45/x
  3. Step 3: Cross multiply
    396,346.50x = 594,581.65 × 130,046.45
  4. Step 4: Simplify right side
    396,346.50x = 77,323,229,519.62
  5. Step 5: Solve for x
    x = 77,323,229,519.62/396,346.50
  6. Step 6: Final answer
    x = 195,089.98

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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.