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Finding the Fourth Proportional to 185,893.30, 278,840.88 and 45,651.94

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Solution

The fourth proportional to 185,893.30, 278,840.88 and 45,651.94 is: 68,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,893.30 : 278,840.88 = 45,651.94 : x
  2. Step 2: Convert to fraction form
    185,893.30/278,840.88 = 45,651.94/x
  3. Step 3: Cross multiply
    185,893.30x = 278,840.88 × 45,651.94
  4. Step 4: Simplify right side
    185,893.30x = 12,729,627,123.31
  5. Step 5: Solve for x
    x = 12,729,627,123.31/185,893.30
  6. Step 6: Final answer
    x = 68,478.14

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