Home / 439,234.20-658,851.30-173,003.40

Finding the Fourth Proportional to 439,234.20, 658,851.30 and 173,003.40

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Solution

The fourth proportional to 439,234.20, 658,851.30 and 173,003.40 is: 259,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,234.20 : 658,851.30 = 173,003.40 : x
  2. Step 2: Convert to fraction form
    439,234.20/658,851.30 = 173,003.40/x
  3. Step 3: Cross multiply
    439,234.20x = 658,851.30 × 173,003.40
  4. Step 4: Simplify right side
    439,234.20x = 113,983,514,994.42
  5. Step 5: Solve for x
    x = 113,983,514,994.42/439,234.20
  6. Step 6: Final answer
    x = 259,505.10

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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.