Home / 671,553.12-1,007,439.12-198,286.32

Finding the Fourth Proportional to 671,553.12, 1,007,439.12 and 198,286.32

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Solution

The fourth proportional to 671,553.12, 1,007,439.12 and 198,286.32 is: 297,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,553.12 : 1,007,439.12 = 198,286.32 : x
  2. Step 2: Convert to fraction form
    671,553.12/1,007,439.12 = 198,286.32/x
  3. Step 3: Cross multiply
    671,553.12x = 1,007,439.12 × 198,286.32
  4. Step 4: Simplify right side
    671,553.12x = 199,761,395,728.84
  5. Step 5: Solve for x
    x = 199,761,395,728.84/671,553.12
  6. Step 6: Final answer
    x = 297,461.79

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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.