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Finding the Fourth Proportional to 396,959.94, 595,449.63 and 116,486.10

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Solution

The fourth proportional to 396,959.94, 595,449.63 and 116,486.10 is: 174,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,959.94 : 595,449.63 = 116,486.10 : x
  2. Step 2: Convert to fraction form
    396,959.94/595,449.63 = 116,486.10/x
  3. Step 3: Cross multiply
    396,959.94x = 595,449.63 × 116,486.10
  4. Step 4: Simplify right side
    396,959.94x = 69,361,605,145.14
  5. Step 5: Solve for x
    x = 69,361,605,145.14/396,959.94
  6. Step 6: Final answer
    x = 174,732.00

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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.