Home / 327,587.28-491,383.67-90,948.41

Finding the Fourth Proportional to 327,587.28, 491,383.67 and 90,948.41

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Solution

The fourth proportional to 327,587.28, 491,383.67 and 90,948.41 is: 136,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,587.28 : 491,383.67 = 90,948.41 : x
  2. Step 2: Convert to fraction form
    327,587.28/491,383.67 = 90,948.41/x
  3. Step 3: Cross multiply
    327,587.28x = 491,383.67 × 90,948.41
  4. Step 4: Simplify right side
    327,587.28x = 44,690,563,486.46
  5. Step 5: Solve for x
    x = 44,690,563,486.46/327,587.28
  6. Step 6: Final answer
    x = 136,423.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.