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Finding the Fourth Proportional to 303,851.88, 419,335.29 and 167,885.80

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Solution

The fourth proportional to 303,851.88, 419,335.29 and 167,885.80 is: 231,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,851.88 : 419,335.29 = 167,885.80 : x
  2. Step 2: Convert to fraction form
    303,851.88/419,335.29 = 167,885.80/x
  3. Step 3: Cross multiply
    303,851.88x = 419,335.29 × 167,885.80
  4. Step 4: Simplify right side
    303,851.88x = 70,400,439,581.54
  5. Step 5: Solve for x
    x = 70,400,439,581.54/303,851.88
  6. Step 6: Final answer
    x = 231,693.28

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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.