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Finding the Fourth Proportional to 223,496.82, 308,425.61 and 122,894.82

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Solution

The fourth proportional to 223,496.82, 308,425.61 and 122,894.82 is: 169,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,496.82 : 308,425.61 = 122,894.82 : x
  2. Step 2: Convert to fraction form
    223,496.82/308,425.61 = 122,894.82/x
  3. Step 3: Cross multiply
    223,496.82x = 308,425.61 × 122,894.82
  4. Step 4: Simplify right side
    223,496.82x = 37,903,909,209.87
  5. Step 5: Solve for x
    x = 37,903,909,209.87/223,496.82
  6. Step 6: Final answer
    x = 169,594.85

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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.