Home / 305,276.31-421,226.96-184,336.56

Finding the Fourth Proportional to 305,276.31, 421,226.96 and 184,336.56

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Solution

The fourth proportional to 305,276.31, 421,226.96 and 184,336.56 is: 254,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,276.31 : 421,226.96 = 184,336.56 : x
  2. Step 2: Convert to fraction form
    305,276.31/421,226.96 = 184,336.56/x
  3. Step 3: Cross multiply
    305,276.31x = 421,226.96 × 184,336.56
  4. Step 4: Simplify right side
    305,276.31x = 77,647,527,863.97
  5. Step 5: Solve for x
    x = 77,647,527,863.97/305,276.31
  6. Step 6: Final answer
    x = 254,351.63

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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.