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Finding the Fourth Proportional to 417,453.82, 576,086.36 and 236,162

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Solution

The fourth proportional to 417,453.82, 576,086.36 and 236,162 is: 325,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,453.82 : 576,086.36 = 236,162 : x
  2. Step 2: Convert to fraction form
    417,453.82/576,086.36 = 236,162/x
  3. Step 3: Cross multiply
    417,453.82x = 576,086.36 × 236,162
  4. Step 4: Simplify right side
    417,453.82x = 136,049,706,950.32
  5. Step 5: Solve for x
    x = 136,049,706,950.32/417,453.82
  6. Step 6: Final answer
    x = 325,903.61

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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.