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Finding the Fourth Proportional to 422,290.08, 582,761.04 and 231,303.84

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Solution

The fourth proportional to 422,290.08, 582,761.04 and 231,303.84 is: 319,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,290.08 : 582,761.04 = 231,303.84 : x
  2. Step 2: Convert to fraction form
    422,290.08/582,761.04 = 231,303.84/x
  3. Step 3: Cross multiply
    422,290.08x = 582,761.04 × 231,303.84
  4. Step 4: Simplify right side
    422,290.08x = 134,794,866,354.39
  5. Step 5: Solve for x
    x = 134,794,866,354.39/422,290.08
  6. Step 6: Final answer
    x = 319,199.70

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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.