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Finding the Fourth Proportional to 274,290.35, 378,355.16 and 181,156.64

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Solution

The fourth proportional to 274,290.35, 378,355.16 and 181,156.64 is: 249,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,290.35 : 378,355.16 = 181,156.64 : x
  2. Step 2: Convert to fraction form
    274,290.35/378,355.16 = 181,156.64/x
  3. Step 3: Cross multiply
    274,290.35x = 378,355.16 × 181,156.64
  4. Step 4: Simplify right side
    274,290.35x = 68,541,546,714.70
  5. Step 5: Solve for x
    x = 68,541,546,714.70/274,290.35
  6. Step 6: Final answer
    x = 249,886.84

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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.