Home / 221,026.08-331,536.66-132,304.36

Finding the Fourth Proportional to 221,026.08, 331,536.66 and 132,304.36

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Solution

The fourth proportional to 221,026.08, 331,536.66 and 132,304.36 is: 198,455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,026.08 : 331,536.66 = 132,304.36 : x
  2. Step 2: Convert to fraction form
    221,026.08/331,536.66 = 132,304.36/x
  3. Step 3: Cross multiply
    221,026.08x = 331,536.66 × 132,304.36
  4. Step 4: Simplify right side
    221,026.08x = 43,863,745,617.84
  5. Step 5: Solve for x
    x = 43,863,745,617.84/221,026.08
  6. Step 6: Final answer
    x = 198,455.07

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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.