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Finding the Fourth Proportional to 422,599.68, 583,161.12 and 231,599.52

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Solution

The fourth proportional to 422,599.68, 583,161.12 and 231,599.52 is: 319,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,599.68 : 583,161.12 = 231,599.52 : x
  2. Step 2: Convert to fraction form
    422,599.68/583,161.12 = 231,599.52/x
  3. Step 3: Cross multiply
    422,599.68x = 583,161.12 × 231,599.52
  4. Step 4: Simplify right side
    422,599.68x = 135,059,835,474.66
  5. Step 5: Solve for x
    x = 135,059,835,474.66/422,599.68
  6. Step 6: Final answer
    x = 319,592.85

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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.