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Finding the Fourth Proportional to 223,476.77, 335,362.78 and 105,181.94

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Solution

The fourth proportional to 223,476.77, 335,362.78 and 105,181.94 is: 157,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,476.77 : 335,362.78 = 105,181.94 : x
  2. Step 2: Convert to fraction form
    223,476.77/335,362.78 = 105,181.94/x
  3. Step 3: Cross multiply
    223,476.77x = 335,362.78 × 105,181.94
  4. Step 4: Simplify right side
    223,476.77x = 35,274,108,774.08
  5. Step 5: Solve for x
    x = 35,274,108,774.08/223,476.77
  6. Step 6: Final answer
    x = 157,842.39

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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.