Home / 757,145.80-1,135,747.86-196,165.72

Finding the Fourth Proportional to 757,145.80, 1,135,747.86 and 196,165.72

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Solution

The fourth proportional to 757,145.80, 1,135,747.86 and 196,165.72 is: 294,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,145.80 : 1,135,747.86 = 196,165.72 : x
  2. Step 2: Convert to fraction form
    757,145.80/1,135,747.86 = 196,165.72/x
  3. Step 3: Cross multiply
    757,145.80x = 1,135,747.86 × 196,165.72
  4. Step 4: Simplify right side
    757,145.80x = 222,794,796,695.36
  5. Step 5: Solve for x
    x = 222,794,796,695.36/757,145.80
  6. Step 6: Final answer
    x = 294,256.13

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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.