Home / 375,708.10-518,497.05-205,949.38

Finding the Fourth Proportional to 375,708.10, 518,497.05 and 205,949.38

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Solution

The fourth proportional to 375,708.10, 518,497.05 and 205,949.38 is: 284,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,708.10 : 518,497.05 = 205,949.38 : x
  2. Step 2: Convert to fraction form
    375,708.10/518,497.05 = 205,949.38/x
  3. Step 3: Cross multiply
    375,708.10x = 518,497.05 × 205,949.38
  4. Step 4: Simplify right side
    375,708.10x = 106,784,145,979.33
  5. Step 5: Solve for x
    x = 106,784,145,979.33/375,708.10
  6. Step 6: Final answer
    x = 284,221.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.