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Finding the Fourth Proportional to 303,680.92, 419,047.86 and 176,331.64

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Solution

The fourth proportional to 303,680.92, 419,047.86 and 176,331.64 is: 243,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,680.92 : 419,047.86 = 176,331.64 : x
  2. Step 2: Convert to fraction form
    303,680.92/419,047.86 = 176,331.64/x
  3. Step 3: Cross multiply
    303,680.92x = 419,047.86 × 176,331.64
  4. Step 4: Simplify right side
    303,680.92x = 73,891,396,392.29
  5. Step 5: Solve for x
    x = 73,891,396,392.29/303,680.92
  6. Step 6: Final answer
    x = 243,319.19

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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.