Home / 396,384.30-594,353.57-130,122.50

Finding the Fourth Proportional to 396,384.30, 594,353.57 and 130,122.50

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Solution

The fourth proportional to 396,384.30, 594,353.57 and 130,122.50 is: 195,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,384.30 : 594,353.57 = 130,122.50 : x
  2. Step 2: Convert to fraction form
    396,384.30/594,353.57 = 130,122.50/x
  3. Step 3: Cross multiply
    396,384.30x = 594,353.57 × 130,122.50
  4. Step 4: Simplify right side
    396,384.30x = 77,338,768,789.94
  5. Step 5: Solve for x
    x = 77,338,768,789.94/396,384.30
  6. Step 6: Final answer
    x = 195,110.58

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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.