Home / 221,021.27-331,534.22-176,928.31

Finding the Fourth Proportional to 221,021.27, 331,534.22 and 176,928.31

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Solution

The fourth proportional to 221,021.27, 331,534.22 and 176,928.31 is: 265,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,021.27 : 331,534.22 = 176,928.31 : x
  2. Step 2: Convert to fraction form
    221,021.27/331,534.22 = 176,928.31/x
  3. Step 3: Cross multiply
    221,021.27x = 331,534.22 × 176,928.31
  4. Step 4: Simplify right side
    221,021.27x = 58,657,789,251.77
  5. Step 5: Solve for x
    x = 58,657,789,251.77/221,021.27
  6. Step 6: Final answer
    x = 265,394.32

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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.