Home / 218,448.02-327,252.20-133,961.82

Finding the Fourth Proportional to 218,448.02, 327,252.20 and 133,961.82

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Solution

The fourth proportional to 218,448.02, 327,252.20 and 133,961.82 is: 200,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,448.02 : 327,252.20 = 133,961.82 : x
  2. Step 2: Convert to fraction form
    218,448.02/327,252.20 = 133,961.82/x
  3. Step 3: Cross multiply
    218,448.02x = 327,252.20 × 133,961.82
  4. Step 4: Simplify right side
    218,448.02x = 43,839,299,641.19
  5. Step 5: Solve for x
    x = 43,839,299,641.19/218,448.02
  6. Step 6: Final answer
    x = 200,685.27

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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.