Home / 226,433.11-312,148.36-158,238.36

Finding the Fourth Proportional to 226,433.11, 312,148.36 and 158,238.36

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Solution

The fourth proportional to 226,433.11, 312,148.36 and 158,238.36 is: 218,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,433.11 : 312,148.36 = 158,238.36 : x
  2. Step 2: Convert to fraction form
    226,433.11/312,148.36 = 158,238.36/x
  3. Step 3: Cross multiply
    226,433.11x = 312,148.36 × 158,238.36
  4. Step 4: Simplify right side
    226,433.11x = 49,393,844,563.09
  5. Step 5: Solve for x
    x = 49,393,844,563.09/226,433.11
  6. Step 6: Final answer
    x = 218,138.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.