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Finding the Fourth Proportional to 303,975.96, 419,473.74 and 168,002.88

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Solution

The fourth proportional to 303,975.96, 419,473.74 and 168,002.88 is: 231,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,975.96 : 419,473.74 = 168,002.88 : x
  2. Step 2: Convert to fraction form
    303,975.96/419,473.74 = 168,002.88/x
  3. Step 3: Cross multiply
    303,975.96x = 419,473.74 × 168,002.88
  4. Step 4: Simplify right side
    303,975.96x = 70,472,796,404.37
  5. Step 5: Solve for x
    x = 70,472,796,404.37/303,975.96
  6. Step 6: Final answer
    x = 231,836.74

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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.