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Finding the Fourth Proportional to 270,051.08, 404,826.20 and 92,515.90

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Solution

The fourth proportional to 270,051.08, 404,826.20 and 92,515.90 is: 138,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,051.08 : 404,826.20 = 92,515.90 : x
  2. Step 2: Convert to fraction form
    270,051.08/404,826.20 = 92,515.90/x
  3. Step 3: Cross multiply
    270,051.08x = 404,826.20 × 92,515.90
  4. Step 4: Simplify right side
    270,051.08x = 37,452,860,236.58
  5. Step 5: Solve for x
    x = 37,452,860,236.58/270,051.08
  6. Step 6: Final answer
    x = 138,688.06

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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.