Home / 447,002.13-670,503.19-131,459.03

Finding the Fourth Proportional to 447,002.13, 670,503.19 and 131,459.03

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Solution

The fourth proportional to 447,002.13, 670,503.19 and 131,459.03 is: 197,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,002.13 : 670,503.19 = 131,459.03 : x
  2. Step 2: Convert to fraction form
    447,002.13/670,503.19 = 131,459.03/x
  3. Step 3: Cross multiply
    447,002.13x = 670,503.19 × 131,459.03
  4. Step 4: Simplify right side
    447,002.13x = 88,143,701,327.62
  5. Step 5: Solve for x
    x = 88,143,701,327.62/447,002.13
  6. Step 6: Final answer
    x = 197,188.55

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Similar ratio
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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.