Home / 382,979.25-574,731.32-133,661.25

Finding the Fourth Proportional to 382,979.25, 574,731.32 and 133,661.25

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Solution

The fourth proportional to 382,979.25, 574,731.32 and 133,661.25 is: 200,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,979.25 : 574,731.32 = 133,661.25 : x
  2. Step 2: Convert to fraction form
    382,979.25/574,731.32 = 133,661.25/x
  3. Step 3: Cross multiply
    382,979.25x = 574,731.32 × 133,661.25
  4. Step 4: Simplify right side
    382,979.25x = 76,819,305,977.04
  5. Step 5: Solve for x
    x = 76,819,305,977.04/382,979.25
  6. Step 6: Final answer
    x = 200,583.47

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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.