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Finding the Fourth Proportional to 422,966.88, 634,249.44 and 245,528.32

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Solution

The fourth proportional to 422,966.88, 634,249.44 and 245,528.32 is: 368,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,966.88 : 634,249.44 = 245,528.32 : x
  2. Step 2: Convert to fraction form
    422,966.88/634,249.44 = 245,528.32/x
  3. Step 3: Cross multiply
    422,966.88x = 634,249.44 × 245,528.32
  4. Step 4: Simplify right side
    422,966.88x = 155,726,199,464.14
  5. Step 5: Solve for x
    x = 155,726,199,464.14/422,966.88
  6. Step 6: Final answer
    x = 368,175.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.