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Finding the Fourth Proportional to 323,883.66, 446,620.32 and 278,714.82

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Solution

The fourth proportional to 323,883.66, 446,620.32 and 278,714.82 is: 384,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,883.66 : 446,620.32 = 278,714.82 : x
  2. Step 2: Convert to fraction form
    323,883.66/446,620.32 = 278,714.82/x
  3. Step 3: Cross multiply
    323,883.66x = 446,620.32 × 278,714.82
  4. Step 4: Simplify right side
    323,883.66x = 124,479,702,097.14
  5. Step 5: Solve for x
    x = 124,479,702,097.14/323,883.66
  6. Step 6: Final answer
    x = 384,334.62

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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.