Home / 422,680.06-583,313.43-231,693.40

Finding the Fourth Proportional to 422,680.06, 583,313.43 and 231,693.40

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Solution

The fourth proportional to 422,680.06, 583,313.43 and 231,693.40 is: 319,745.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,680.06 : 583,313.43 = 231,693.40 : x
  2. Step 2: Convert to fraction form
    422,680.06/583,313.43 = 231,693.40/x
  3. Step 3: Cross multiply
    422,680.06x = 583,313.43 × 231,693.40
  4. Step 4: Simplify right side
    422,680.06x = 135,149,871,862.36
  5. Step 5: Solve for x
    x = 135,149,871,862.36/422,680.06
  6. Step 6: Final answer
    x = 319,745.09

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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.