Home / 498,224.24-687,543-271,865.84

Finding the Fourth Proportional to 498,224.24, 687,543 and 271,865.84

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Solution

The fourth proportional to 498,224.24, 687,543 and 271,865.84 is: 375,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,224.24 : 687,543 = 271,865.84 : x
  2. Step 2: Convert to fraction form
    498,224.24/687,543 = 271,865.84/x
  3. Step 3: Cross multiply
    498,224.24x = 687,543 × 271,865.84
  4. Step 4: Simplify right side
    498,224.24x = 186,919,455,231.12
  5. Step 5: Solve for x
    x = 186,919,455,231.12/498,224.24
  6. Step 6: Final answer
    x = 375,171.34

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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.