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Finding the Fourth Proportional to 375,007.12, 517,506.78 and 205,240.84

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Solution

The fourth proportional to 375,007.12, 517,506.78 and 205,240.84 is: 283,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,007.12 : 517,506.78 = 205,240.84 : x
  2. Step 2: Convert to fraction form
    375,007.12/517,506.78 = 205,240.84/x
  3. Step 3: Cross multiply
    375,007.12x = 517,506.78 × 205,240.84
  4. Step 4: Simplify right side
    375,007.12x = 106,213,526,232.90
  5. Step 5: Solve for x
    x = 106,213,526,232.90/375,007.12
  6. Step 6: Final answer
    x = 283,230.69

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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.