Home / 671,434.74-1,007,179.90-198,120.09

Finding the Fourth Proportional to 671,434.74, 1,007,179.90 and 198,120.09

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Solution

The fourth proportional to 671,434.74, 1,007,179.90 and 198,120.09 is: 297,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,434.74 : 1,007,179.90 = 198,120.09 : x
  2. Step 2: Convert to fraction form
    671,434.74/1,007,179.90 = 198,120.09/x
  3. Step 3: Cross multiply
    671,434.74x = 1,007,179.90 × 198,120.09
  4. Step 4: Simplify right side
    671,434.74x = 199,542,575,715.82
  5. Step 5: Solve for x
    x = 199,542,575,715.82/671,434.74
  6. Step 6: Final answer
    x = 297,188.34

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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.