Home / 672,149.20-1,008,108.60-251,208.40

Finding the Fourth Proportional to 672,149.20, 1,008,108.60 and 251,208.40

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Solution

The fourth proportional to 672,149.20, 1,008,108.60 and 251,208.40 is: 376,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,149.20 : 1,008,108.60 = 251,208.40 : x
  2. Step 2: Convert to fraction form
    672,149.20/1,008,108.60 = 251,208.40/x
  3. Step 3: Cross multiply
    672,149.20x = 1,008,108.60 × 251,208.40
  4. Step 4: Simplify right side
    672,149.20x = 253,245,348,432.24
  5. Step 5: Solve for x
    x = 253,245,348,432.24/672,149.20
  6. Step 6: Final answer
    x = 376,769.55

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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.