Home / 488,204.20-731,771.70-172,498.60

Finding the Fourth Proportional to 488,204.20, 731,771.70 and 172,498.60

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Solution

The fourth proportional to 488,204.20, 731,771.70 and 172,498.60 is: 258,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,204.20 : 731,771.70 = 172,498.60 : x
  2. Step 2: Convert to fraction form
    488,204.20/731,771.70 = 172,498.60/x
  3. Step 3: Cross multiply
    488,204.20x = 731,771.70 × 172,498.60
  4. Step 4: Simplify right side
    488,204.20x = 126,229,593,769.62
  5. Step 5: Solve for x
    x = 126,229,593,769.62/488,204.20
  6. Step 6: Final answer
    x = 258,559.01

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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.