Home / 672,149.70-1,008,109.35-251,208.90

Finding the Fourth Proportional to 672,149.70, 1,008,109.35 and 251,208.90

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Solution

The fourth proportional to 672,149.70, 1,008,109.35 and 251,208.90 is: 376,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,149.70 : 1,008,109.35 = 251,208.90 : x
  2. Step 2: Convert to fraction form
    672,149.70/1,008,109.35 = 251,208.90/x
  3. Step 3: Cross multiply
    672,149.70x = 1,008,109.35 × 251,208.90
  4. Step 4: Simplify right side
    672,149.70x = 253,246,040,893.22
  5. Step 5: Solve for x
    x = 253,246,040,893.22/672,149.70
  6. Step 6: Final answer
    x = 376,770.30

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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.