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Finding the Fourth Proportional to 248,714.48, 343,240.01 and 188,180.03

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Solution

The fourth proportional to 248,714.48, 343,240.01 and 188,180.03 is: 259,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,714.48 : 343,240.01 = 188,180.03 : x
  2. Step 2: Convert to fraction form
    248,714.48/343,240.01 = 188,180.03/x
  3. Step 3: Cross multiply
    248,714.48x = 343,240.01 × 188,180.03
  4. Step 4: Simplify right side
    248,714.48x = 64,590,912,721.90
  5. Step 5: Solve for x
    x = 64,590,912,721.90/248,714.48
  6. Step 6: Final answer
    x = 259,699.04

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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.