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Finding the Fourth Proportional to 278,162.55, 417,276.45 and 88,556.54

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Solution

The fourth proportional to 278,162.55, 417,276.45 and 88,556.54 is: 132,845.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,162.55 : 417,276.45 = 88,556.54 : x
  2. Step 2: Convert to fraction form
    278,162.55/417,276.45 = 88,556.54/x
  3. Step 3: Cross multiply
    278,162.55x = 417,276.45 × 88,556.54
  4. Step 4: Simplify right side
    278,162.55x = 36,952,556,549.10
  5. Step 5: Solve for x
    x = 36,952,556,549.10/278,162.55
  6. Step 6: Final answer
    x = 132,845.19

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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.