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Finding the Fourth Proportional to 375,758.38, 518,535.84 and 214,610.10

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Solution

The fourth proportional to 375,758.38, 518,535.84 and 214,610.10 is: 296,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,758.38 : 518,535.84 = 214,610.10 : x
  2. Step 2: Convert to fraction form
    375,758.38/518,535.84 = 214,610.10/x
  3. Step 3: Cross multiply
    375,758.38x = 518,535.84 × 214,610.10
  4. Step 4: Simplify right side
    375,758.38x = 111,283,028,475.98
  5. Step 5: Solve for x
    x = 111,283,028,475.98/375,758.38
  6. Step 6: Final answer
    x = 296,155.81

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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.