Home / 422,914.96-583,639.50-231,935.32

Finding the Fourth Proportional to 422,914.96, 583,639.50 and 231,935.32

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Solution

The fourth proportional to 422,914.96, 583,639.50 and 231,935.32 is: 320,079.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,914.96 : 583,639.50 = 231,935.32 : x
  2. Step 2: Convert to fraction form
    422,914.96/583,639.50 = 231,935.32/x
  3. Step 3: Cross multiply
    422,914.96x = 583,639.50 × 231,935.32
  4. Step 4: Simplify right side
    422,914.96x = 135,366,614,197.14
  5. Step 5: Solve for x
    x = 135,366,614,197.14/422,914.96
  6. Step 6: Final answer
    x = 320,079.99

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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.