Home / 396,002.04-594,014.40-143,305.80

Finding the Fourth Proportional to 396,002.04, 594,014.40 and 143,305.80

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Solution

The fourth proportional to 396,002.04, 594,014.40 and 143,305.80 is: 214,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,002.04 : 594,014.40 = 143,305.80 : x
  2. Step 2: Convert to fraction form
    396,002.04/594,014.40 = 143,305.80/x
  3. Step 3: Cross multiply
    396,002.04x = 594,014.40 × 143,305.80
  4. Step 4: Simplify right side
    396,002.04x = 85,125,708,803.52
  5. Step 5: Solve for x
    x = 85,125,708,803.52/396,002.04
  6. Step 6: Final answer
    x = 214,962.80

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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.