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Finding the Fourth Proportional to 375,693.24, 518,509.82 and 232,499.42

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Solution

The fourth proportional to 375,693.24, 518,509.82 and 232,499.42 is: 320,882.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,693.24 : 518,509.82 = 232,499.42 : x
  2. Step 2: Convert to fraction form
    375,693.24/518,509.82 = 232,499.42/x
  3. Step 3: Cross multiply
    375,693.24x = 518,509.82 × 232,499.42
  4. Step 4: Simplify right side
    375,693.24x = 120,553,232,414.30
  5. Step 5: Solve for x
    x = 120,553,232,414.30/375,693.24
  6. Step 6: Final answer
    x = 320,882.09

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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.