Home / 226,834.05-340,022.35-142,654.36

Finding the Fourth Proportional to 226,834.05, 340,022.35 and 142,654.36

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Solution

The fourth proportional to 226,834.05, 340,022.35 and 142,654.36 is: 213,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,834.05 : 340,022.35 = 142,654.36 : x
  2. Step 2: Convert to fraction form
    226,834.05/340,022.35 = 142,654.36/x
  3. Step 3: Cross multiply
    226,834.05x = 340,022.35 × 142,654.36
  4. Step 4: Simplify right side
    226,834.05x = 48,505,670,011.67
  5. Step 5: Solve for x
    x = 48,505,670,011.67/226,834.05
  6. Step 6: Final answer
    x = 213,837.69

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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.