Home / 213,361.43-294,447.20-122,717.25

Finding the Fourth Proportional to 213,361.43, 294,447.20 and 122,717.25

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Solution

The fourth proportional to 213,361.43, 294,447.20 and 122,717.25 is: 169,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,361.43 : 294,447.20 = 122,717.25 : x
  2. Step 2: Convert to fraction form
    213,361.43/294,447.20 = 122,717.25/x
  3. Step 3: Cross multiply
    213,361.43x = 294,447.20 × 122,717.25
  4. Step 4: Simplify right side
    213,361.43x = 36,133,750,040.61
  5. Step 5: Solve for x
    x = 36,133,750,040.61/213,361.43
  6. Step 6: Final answer
    x = 169,354.65

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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.