Home / 671,667.20-1,007,265.60-198,227.20

Finding the Fourth Proportional to 671,667.20, 1,007,265.60 and 198,227.20

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Solution

The fourth proportional to 671,667.20, 1,007,265.60 and 198,227.20 is: 297,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,667.20 : 1,007,265.60 = 198,227.20 : x
  2. Step 2: Convert to fraction form
    671,667.20/1,007,265.60 = 198,227.20/x
  3. Step 3: Cross multiply
    671,667.20x = 1,007,265.60 × 198,227.20
  4. Step 4: Simplify right side
    671,667.20x = 199,667,439,544.32
  5. Step 5: Solve for x
    x = 199,667,439,544.32/671,667.20
  6. Step 6: Final answer
    x = 297,271.39

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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.