Home / 203,467.38-280,727.72-160,313.09

Finding the Fourth Proportional to 203,467.38, 280,727.72 and 160,313.09

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Solution

The fourth proportional to 203,467.38, 280,727.72 and 160,313.09 is: 221,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,467.38 : 280,727.72 = 160,313.09 : x
  2. Step 2: Convert to fraction form
    203,467.38/280,727.72 = 160,313.09/x
  3. Step 3: Cross multiply
    203,467.38x = 280,727.72 × 160,313.09
  4. Step 4: Simplify right side
    203,467.38x = 45,004,326,036.65
  5. Step 5: Solve for x
    x = 45,004,326,036.65/203,467.38
  6. Step 6: Final answer
    x = 221,186.93

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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.