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Finding the Fourth Proportional to 363,029.28, 500,906.96 and 212,097.12

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Solution

The fourth proportional to 363,029.28, 500,906.96 and 212,097.12 is: 292,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,029.28 : 500,906.96 = 212,097.12 : x
  2. Step 2: Convert to fraction form
    363,029.28/500,906.96 = 212,097.12/x
  3. Step 3: Cross multiply
    363,029.28x = 500,906.96 × 212,097.12
  4. Step 4: Simplify right side
    363,029.28x = 106,240,923,603.96
  5. Step 5: Solve for x
    x = 106,240,923,603.96/363,029.28
  6. Step 6: Final answer
    x = 292,651.12

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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.