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Finding the Fourth Proportional to 325,427.64, 448,774.60 and 253,781.52

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Solution

The fourth proportional to 325,427.64, 448,774.60 and 253,781.52 is: 349,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,427.64 : 448,774.60 = 253,781.52 : x
  2. Step 2: Convert to fraction form
    325,427.64/448,774.60 = 253,781.52/x
  3. Step 3: Cross multiply
    325,427.64x = 448,774.60 × 253,781.52
  4. Step 4: Simplify right side
    325,427.64x = 113,890,700,125.39
  5. Step 5: Solve for x
    x = 113,890,700,125.39/325,427.64
  6. Step 6: Final answer
    x = 349,972.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.