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Finding the Fourth Proportional to 253,950.93, 349,654.32 and 215,629.83

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Solution

The fourth proportional to 253,950.93, 349,654.32 and 215,629.83 is: 296,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,950.93 : 349,654.32 = 215,629.83 : x
  2. Step 2: Convert to fraction form
    253,950.93/349,654.32 = 215,629.83/x
  3. Step 3: Cross multiply
    253,950.93x = 349,654.32 × 215,629.83
  4. Step 4: Simplify right side
    253,950.93x = 75,395,901,580.37
  5. Step 5: Solve for x
    x = 75,395,901,580.37/253,950.93
  6. Step 6: Final answer
    x = 296,891.61

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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.