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Finding the Fourth Proportional to 204,783.30, 307,108.10 and 67,969.65

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Solution

The fourth proportional to 204,783.30, 307,108.10 and 67,969.65 is: 101,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,783.30 : 307,108.10 = 67,969.65 : x
  2. Step 2: Convert to fraction form
    204,783.30/307,108.10 = 67,969.65/x
  3. Step 3: Cross multiply
    204,783.30x = 307,108.10 × 67,969.65
  4. Step 4: Simplify right side
    204,783.30x = 20,874,029,729.32
  5. Step 5: Solve for x
    x = 20,874,029,729.32/204,783.30
  6. Step 6: Final answer
    x = 101,932.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.