Home / 272,848.78-376,481.35-151,987.06

Finding the Fourth Proportional to 272,848.78, 376,481.35 and 151,987.06

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Solution

The fourth proportional to 272,848.78, 376,481.35 and 151,987.06 is: 209,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,848.78 : 376,481.35 = 151,987.06 : x
  2. Step 2: Convert to fraction form
    272,848.78/376,481.35 = 151,987.06/x
  3. Step 3: Cross multiply
    272,848.78x = 376,481.35 × 151,987.06
  4. Step 4: Simplify right side
    272,848.78x = 57,220,293,531.33
  5. Step 5: Solve for x
    x = 57,220,293,531.33/272,848.78
  6. Step 6: Final answer
    x = 209,714.31

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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.