Home / 318,415.55-439,476.26-182,540.75

Finding the Fourth Proportional to 318,415.55, 439,476.26 and 182,540.75

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Solution

The fourth proportional to 318,415.55, 439,476.26 and 182,540.75 is: 251,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,415.55 : 439,476.26 = 182,540.75 : x
  2. Step 2: Convert to fraction form
    318,415.55/439,476.26 = 182,540.75/x
  3. Step 3: Cross multiply
    318,415.55x = 439,476.26 × 182,540.75
  4. Step 4: Simplify right side
    318,415.55x = 80,222,322,997.51
  5. Step 5: Solve for x
    x = 80,222,322,997.51/318,415.55
  6. Step 6: Final answer
    x = 251,942.23

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1.5x scale

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.