Home / 671,508.70-1,007,372.39-198,241.90

Finding the Fourth Proportional to 671,508.70, 1,007,372.39 and 198,241.90

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Solution

The fourth proportional to 671,508.70, 1,007,372.39 and 198,241.90 is: 297,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,508.70 : 1,007,372.39 = 198,241.90 : x
  2. Step 2: Convert to fraction form
    671,508.70/1,007,372.39 = 198,241.90/x
  3. Step 3: Cross multiply
    671,508.70x = 1,007,372.39 × 198,241.90
  4. Step 4: Simplify right side
    671,508.70x = 199,703,416,601.14
  5. Step 5: Solve for x
    x = 199,703,416,601.14/671,508.70
  6. Step 6: Final answer
    x = 297,395.13

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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.