Home / 422,916.50-583,632.25-231,928.22

Finding the Fourth Proportional to 422,916.50, 583,632.25 and 231,928.22

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Solution

The fourth proportional to 422,916.50, 583,632.25 and 231,928.22 is: 320,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,916.50 : 583,632.25 = 231,928.22 : x
  2. Step 2: Convert to fraction form
    422,916.50/583,632.25 = 231,928.22/x
  3. Step 3: Cross multiply
    422,916.50x = 583,632.25 × 231,928.22
  4. Step 4: Simplify right side
    422,916.50x = 135,360,785,379.11
  5. Step 5: Solve for x
    x = 135,360,785,379.11/422,916.50
  6. Step 6: Final answer
    x = 320,065.04

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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.