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Finding the Fourth Proportional to 223,253.92, 308,092.89 and 122,651.92

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Solution

The fourth proportional to 223,253.92, 308,092.89 and 122,651.92 is: 169,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,253.92 : 308,092.89 = 122,651.92 : x
  2. Step 2: Convert to fraction form
    223,253.92/308,092.89 = 122,651.92/x
  3. Step 3: Cross multiply
    223,253.92x = 308,092.89 × 122,651.92
  4. Step 4: Simplify right side
    223,253.92x = 37,788,184,496.85
  5. Step 5: Solve for x
    x = 37,788,184,496.85/223,253.92
  6. Step 6: Final answer
    x = 169,261.01

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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.