Home / 221,268.52-305,374.24-135,277.96

Finding the Fourth Proportional to 221,268.52, 305,374.24 and 135,277.96

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Solution

The fourth proportional to 221,268.52, 305,374.24 and 135,277.96 is: 186,698.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,268.52 : 305,374.24 = 135,277.96 : x
  2. Step 2: Convert to fraction form
    221,268.52/305,374.24 = 135,277.96/x
  3. Step 3: Cross multiply
    221,268.52x = 305,374.24 × 135,277.96
  4. Step 4: Simplify right side
    221,268.52x = 41,310,404,223.75
  5. Step 5: Solve for x
    x = 41,310,404,223.75/221,268.52
  6. Step 6: Final answer
    x = 186,698.06

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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.