Home / 396,869.04-595,385.58-130,645.53

Finding the Fourth Proportional to 396,869.04, 595,385.58 and 130,645.53

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Solution

The fourth proportional to 396,869.04, 595,385.58 and 130,645.53 is: 195,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,869.04 : 595,385.58 = 130,645.53 : x
  2. Step 2: Convert to fraction form
    396,869.04/595,385.58 = 130,645.53/x
  3. Step 3: Cross multiply
    396,869.04x = 595,385.58 × 130,645.53
  4. Step 4: Simplify right side
    396,869.04x = 77,784,464,653.46
  5. Step 5: Solve for x
    x = 77,784,464,653.46/396,869.04
  6. Step 6: Final answer
    x = 195,995.30

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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.