Home / 422,948.57-583,705.95-231,998.87

Finding the Fourth Proportional to 422,948.57, 583,705.95 and 231,998.87

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Solution

The fourth proportional to 422,948.57, 583,705.95 and 231,998.87 is: 320,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,948.57 : 583,705.95 = 231,998.87 : x
  2. Step 2: Convert to fraction form
    422,948.57/583,705.95 = 231,998.87/x
  3. Step 3: Cross multiply
    422,948.57x = 583,705.95 × 231,998.87
  4. Step 4: Simplify right side
    422,948.57x = 135,419,119,212.65
  5. Step 5: Solve for x
    x = 135,419,119,212.65/422,948.57
  6. Step 6: Final answer
    x = 320,178.69

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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.