Home / 318,489.12-439,464.75-182,496.90

Finding the Fourth Proportional to 318,489.12, 439,464.75 and 182,496.90

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Solution

The fourth proportional to 318,489.12, 439,464.75 and 182,496.90 is: 251,816.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,489.12 : 439,464.75 = 182,496.90 : x
  2. Step 2: Convert to fraction form
    318,489.12/439,464.75 = 182,496.90/x
  3. Step 3: Cross multiply
    318,489.12x = 439,464.75 × 182,496.90
  4. Step 4: Simplify right side
    318,489.12x = 80,200,954,534.28
  5. Step 5: Solve for x
    x = 80,200,954,534.28/318,489.12
  6. Step 6: Final answer
    x = 251,816.94

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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.