Home / 375,741.72-518,519.61-205,974.90

Finding the Fourth Proportional to 375,741.72, 518,519.61 and 205,974.90

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Solution

The fourth proportional to 375,741.72, 518,519.61 and 205,974.90 is: 284,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,741.72 : 518,519.61 = 205,974.90 : x
  2. Step 2: Convert to fraction form
    375,741.72/518,519.61 = 205,974.90/x
  3. Step 3: Cross multiply
    375,741.72x = 518,519.61 × 205,974.90
  4. Step 4: Simplify right side
    375,741.72x = 106,802,024,817.79
  5. Step 5: Solve for x
    x = 106,802,024,817.79/375,741.72
  6. Step 6: Final answer
    x = 284,243.19

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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.