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Finding the Fourth Proportional to 226,843.47, 340,265.21 and 84,699.83

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Solution

The fourth proportional to 226,843.47, 340,265.21 and 84,699.83 is: 127,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,843.47 : 340,265.21 = 84,699.83 : x
  2. Step 2: Convert to fraction form
    226,843.47/340,265.21 = 84,699.83/x
  3. Step 3: Cross multiply
    226,843.47x = 340,265.21 × 84,699.83
  4. Step 4: Simplify right side
    226,843.47x = 28,820,406,025.14
  5. Step 5: Solve for x
    x = 28,820,406,025.14/226,843.47
  6. Step 6: Final answer
    x = 127,049.75

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1.5x scale

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.