Home / 399,464.26-551,238.31-227,424.12

Finding the Fourth Proportional to 399,464.26, 551,238.31 and 227,424.12

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Solution

The fourth proportional to 399,464.26, 551,238.31 and 227,424.12 is: 313,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,464.26 : 551,238.31 = 227,424.12 : x
  2. Step 2: Convert to fraction form
    399,464.26/551,238.31 = 227,424.12/x
  3. Step 3: Cross multiply
    399,464.26x = 551,238.31 × 227,424.12
  4. Step 4: Simplify right side
    399,464.26x = 125,364,887,562.04
  5. Step 5: Solve for x
    x = 125,364,887,562.04/399,464.26
  6. Step 6: Final answer
    x = 313,832.55

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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.