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Finding the Fourth Proportional to 226,999.39, 340,097.60 and 213,497.70

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Solution

The fourth proportional to 226,999.39, 340,097.60 and 213,497.70 is: 319,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,999.39 : 340,097.60 = 213,497.70 : x
  2. Step 2: Convert to fraction form
    226,999.39/340,097.60 = 213,497.70/x
  3. Step 3: Cross multiply
    226,999.39x = 340,097.60 × 213,497.70
  4. Step 4: Simplify right side
    226,999.39x = 72,610,055,375.52
  5. Step 5: Solve for x
    x = 72,610,055,375.52/226,999.39
  6. Step 6: Final answer
    x = 319,868.94

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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.