Home / 422,758.08-583,406.01-231,767.37

Finding the Fourth Proportional to 422,758.08, 583,406.01 and 231,767.37

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Solution

The fourth proportional to 422,758.08, 583,406.01 and 231,767.37 is: 319,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,758.08 : 583,406.01 = 231,767.37 : x
  2. Step 2: Convert to fraction form
    422,758.08/583,406.01 = 231,767.37/x
  3. Step 3: Cross multiply
    422,758.08x = 583,406.01 × 231,767.37
  4. Step 4: Simplify right side
    422,758.08x = 135,214,476,579.89
  5. Step 5: Solve for x
    x = 135,214,476,579.89/422,758.08
  6. Step 6: Final answer
    x = 319,838.89

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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.