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Finding the Fourth Proportional to 262,458.42, 393,591.03 and 206,408.04

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Solution

The fourth proportional to 262,458.42, 393,591.03 and 206,408.04 is: 309,536.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,458.42 : 393,591.03 = 206,408.04 : x
  2. Step 2: Convert to fraction form
    262,458.42/393,591.03 = 206,408.04/x
  3. Step 3: Cross multiply
    262,458.42x = 393,591.03 × 206,408.04
  4. Step 4: Simplify right side
    262,458.42x = 81,240,353,063.88
  5. Step 5: Solve for x
    x = 81,240,353,063.88/262,458.42
  6. Step 6: Final answer
    x = 309,536.09

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1.5x scale

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.