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Finding the Fourth Proportional to 268,081.44, 369,952.83 and 147,230.52

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Solution

The fourth proportional to 268,081.44, 369,952.83 and 147,230.52 is: 203,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,081.44 : 369,952.83 = 147,230.52 : x
  2. Step 2: Convert to fraction form
    268,081.44/369,952.83 = 147,230.52/x
  3. Step 3: Cross multiply
    268,081.44x = 369,952.83 × 147,230.52
  4. Step 4: Simplify right side
    268,081.44x = 54,468,347,536.37
  5. Step 5: Solve for x
    x = 54,468,347,536.37/268,081.44
  6. Step 6: Final answer
    x = 203,178.36

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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.