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Finding the Fourth Proportional to 361,450.95, 498,805.25 and 200,308.65

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Solution

The fourth proportional to 361,450.95, 498,805.25 and 200,308.65 is: 276,427.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,450.95 : 498,805.25 = 200,308.65 : x
  2. Step 2: Convert to fraction form
    361,450.95/498,805.25 = 200,308.65/x
  3. Step 3: Cross multiply
    361,450.95x = 498,805.25 × 200,308.65
  4. Step 4: Simplify right side
    361,450.95x = 99,915,005,238.87
  5. Step 5: Solve for x
    x = 99,915,005,238.87/361,450.95
  6. Step 6: Final answer
    x = 276,427.56

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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.