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Finding the Fourth Proportional to 269,682.80, 372,005.15 and 172,852.16

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Solution

The fourth proportional to 269,682.80, 372,005.15 and 172,852.16 is: 238,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,682.80 : 372,005.15 = 172,852.16 : x
  2. Step 2: Convert to fraction form
    269,682.80/372,005.15 = 172,852.16/x
  3. Step 3: Cross multiply
    269,682.80x = 372,005.15 × 172,852.16
  4. Step 4: Simplify right side
    269,682.80x = 64,301,892,844.36
  5. Step 5: Solve for x
    x = 64,301,892,844.36/269,682.80
  6. Step 6: Final answer
    x = 238,435.28

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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.