Home / 422,528.52-583,103.56-231,540.24

Finding the Fourth Proportional to 422,528.52, 583,103.56 and 231,540.24

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Solution

The fourth proportional to 422,528.52, 583,103.56 and 231,540.24 is: 319,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,528.52 : 583,103.56 = 231,540.24 : x
  2. Step 2: Convert to fraction form
    422,528.52/583,103.56 = 231,540.24/x
  3. Step 3: Cross multiply
    422,528.52x = 583,103.56 × 231,540.24
  4. Step 4: Simplify right side
    422,528.52x = 135,011,938,227.25
  5. Step 5: Solve for x
    x = 135,011,938,227.25/422,528.52
  6. Step 6: Final answer
    x = 319,533.31

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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.