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Finding the Fourth Proportional to 335,340, 462,534.84 and 220,582.44

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Solution

The fourth proportional to 335,340, 462,534.84 and 220,582.44 is: 304,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,340 : 462,534.84 = 220,582.44 : x
  2. Step 2: Convert to fraction form
    335,340/462,534.84 = 220,582.44/x
  3. Step 3: Cross multiply
    335,340x = 462,534.84 × 220,582.44
  4. Step 4: Simplify right side
    335,340x = 102,027,063,592.21
  5. Step 5: Solve for x
    x = 102,027,063,592.21/335,340
  6. Step 6: Final answer
    x = 304,249.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.