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Finding the Fourth Proportional to 499,474.92, 689,275.35 and 273,120.42

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Solution

The fourth proportional to 499,474.92, 689,275.35 and 273,120.42 is: 376,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,474.92 : 689,275.35 = 273,120.42 : x
  2. Step 2: Convert to fraction form
    499,474.92/689,275.35 = 273,120.42/x
  3. Step 3: Cross multiply
    499,474.92x = 689,275.35 × 273,120.42
  4. Step 4: Simplify right side
    499,474.92x = 188,255,173,087.65
  5. Step 5: Solve for x
    x = 188,255,173,087.65/499,474.92
  6. Step 6: Final answer
    x = 376,906.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.