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Finding the Fourth Proportional to 264,634.60, 396,826.79 and 102,604.46

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Solution

The fourth proportional to 264,634.60, 396,826.79 and 102,604.46 is: 153,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,634.60 : 396,826.79 = 102,604.46 : x
  2. Step 2: Convert to fraction form
    264,634.60/396,826.79 = 102,604.46/x
  3. Step 3: Cross multiply
    264,634.60x = 396,826.79 × 102,604.46
  4. Step 4: Simplify right side
    264,634.60x = 40,716,197,492.43
  5. Step 5: Solve for x
    x = 40,716,197,492.43/264,634.60
  6. Step 6: Final answer
    x = 153,858.18

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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.