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Finding the Fourth Proportional to 304,050.38, 419,615.44 and 169,940.30

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Solution

The fourth proportional to 304,050.38, 419,615.44 and 169,940.30 is: 234,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,050.38 : 419,615.44 = 169,940.30 : x
  2. Step 2: Convert to fraction form
    304,050.38/419,615.44 = 169,940.30/x
  3. Step 3: Cross multiply
    304,050.38x = 419,615.44 × 169,940.30
  4. Step 4: Simplify right side
    304,050.38x = 71,309,571,235.30
  5. Step 5: Solve for x
    x = 71,309,571,235.30/304,050.38
  6. Step 6: Final answer
    x = 234,532.09

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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.