Home / 345,174.08-518,240.64-227,600.96

Finding the Fourth Proportional to 345,174.08, 518,240.64 and 227,600.96

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Solution

The fourth proportional to 345,174.08, 518,240.64 and 227,600.96 is: 341,717.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,174.08 : 518,240.64 = 227,600.96 : x
  2. Step 2: Convert to fraction form
    345,174.08/518,240.64 = 227,600.96/x
  3. Step 3: Cross multiply
    345,174.08x = 518,240.64 × 227,600.96
  4. Step 4: Simplify right side
    345,174.08x = 117,952,067,175.01
  5. Step 5: Solve for x
    x = 117,952,067,175.01/345,174.08
  6. Step 6: Final answer
    x = 341,717.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.