Home / 546,514.20-819,771.30-172,488.60

Finding the Fourth Proportional to 546,514.20, 819,771.30 and 172,488.60

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Solution

The fourth proportional to 546,514.20, 819,771.30 and 172,488.60 is: 258,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,514.20 : 819,771.30 = 172,488.60 : x
  2. Step 2: Convert to fraction form
    546,514.20/819,771.30 = 172,488.60/x
  3. Step 3: Cross multiply
    546,514.20x = 819,771.30 × 172,488.60
  4. Step 4: Simplify right side
    546,514.20x = 141,401,203,857.18
  5. Step 5: Solve for x
    x = 141,401,203,857.18/546,514.20
  6. Step 6: Final answer
    x = 258,732.90

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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.