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Finding the Fourth Proportional to 226,095.21, 338,622.87 and 126,033.90

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Solution

The fourth proportional to 226,095.21, 338,622.87 and 126,033.90 is: 188,761.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,095.21 : 338,622.87 = 126,033.90 : x
  2. Step 2: Convert to fraction form
    226,095.21/338,622.87 = 126,033.90/x
  3. Step 3: Cross multiply
    226,095.21x = 338,622.87 × 126,033.90
  4. Step 4: Simplify right side
    226,095.21x = 42,677,960,935.29
  5. Step 5: Solve for x
    x = 42,677,960,935.29/226,095.21
  6. Step 6: Final answer
    x = 188,761.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.