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Finding the Fourth Proportional to 303,917.28, 419,403.04 and 167,960.32

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Solution

The fourth proportional to 303,917.28, 419,403.04 and 167,960.32 is: 231,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,917.28 : 419,403.04 = 167,960.32 : x
  2. Step 2: Convert to fraction form
    303,917.28/419,403.04 = 167,960.32/x
  3. Step 3: Cross multiply
    303,917.28x = 419,403.04 × 167,960.32
  4. Step 4: Simplify right side
    303,917.28x = 70,443,068,807.37
  5. Step 5: Solve for x
    x = 70,443,068,807.37/303,917.28
  6. Step 6: Final answer
    x = 231,783.69

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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.