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Finding the Fourth Proportional to 422,522.01, 583,094.58 and 231,533.73

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Solution

The fourth proportional to 422,522.01, 583,094.58 and 231,533.73 is: 319,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,522.01 : 583,094.58 = 231,533.73 : x
  2. Step 2: Convert to fraction form
    422,522.01/583,094.58 = 231,533.73/x
  3. Step 3: Cross multiply
    422,522.01x = 583,094.58 × 231,533.73
  4. Step 4: Simplify right side
    422,522.01x = 135,006,063,050.18
  5. Step 5: Solve for x
    x = 135,006,063,050.18/422,522.01
  6. Step 6: Final answer
    x = 319,524.33

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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.