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Finding the Fourth Proportional to 320,181.19, 479,229.18 and 235,907.71

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Solution

The fourth proportional to 320,181.19, 479,229.18 and 235,907.71 is: 353,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,181.19 : 479,229.18 = 235,907.71 : x
  2. Step 2: Convert to fraction form
    320,181.19/479,229.18 = 235,907.71/x
  3. Step 3: Cross multiply
    320,181.19x = 479,229.18 × 235,907.71
  4. Step 4: Simplify right side
    320,181.19x = 113,053,858,418.98
  5. Step 5: Solve for x
    x = 113,053,858,418.98/320,181.19
  6. Step 6: Final answer
    x = 353,093.38

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1.5x scale

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.