Home / 671,664.20-1,007,261.10-198,224.20

Finding the Fourth Proportional to 671,664.20, 1,007,261.10 and 198,224.20

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Solution

The fourth proportional to 671,664.20, 1,007,261.10 and 198,224.20 is: 297,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,664.20 : 1,007,261.10 = 198,224.20 : x
  2. Step 2: Convert to fraction form
    671,664.20/1,007,261.10 = 198,224.20/x
  3. Step 3: Cross multiply
    671,664.20x = 1,007,261.10 × 198,224.20
  4. Step 4: Simplify right side
    671,664.20x = 199,663,525,738.62
  5. Step 5: Solve for x
    x = 199,663,525,738.62/671,664.20
  6. Step 6: Final answer
    x = 297,266.89

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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.