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Finding the Fourth Proportional to 326,954.16, 451,250.22 and 272,419.80

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Solution

The fourth proportional to 326,954.16, 451,250.22 and 272,419.80 is: 375,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,954.16 : 451,250.22 = 272,419.80 : x
  2. Step 2: Convert to fraction form
    326,954.16/451,250.22 = 272,419.80/x
  3. Step 3: Cross multiply
    326,954.16x = 451,250.22 × 272,419.80
  4. Step 4: Simplify right side
    326,954.16x = 122,929,494,682.36
  5. Step 5: Solve for x
    x = 122,929,494,682.36/326,954.16
  6. Step 6: Final answer
    x = 375,983.88

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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.