Home / 845,102.66-1,267,656.15-214,016.54

Finding the Fourth Proportional to 845,102.66, 1,267,656.15 and 214,016.54

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Solution

The fourth proportional to 845,102.66, 1,267,656.15 and 214,016.54 is: 321,025.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,102.66 : 1,267,656.15 = 214,016.54 : x
  2. Step 2: Convert to fraction form
    845,102.66/1,267,656.15 = 214,016.54/x
  3. Step 3: Cross multiply
    845,102.66x = 1,267,656.15 × 214,016.54
  4. Step 4: Simplify right side
    845,102.66x = 271,299,383,132.72
  5. Step 5: Solve for x
    x = 271,299,383,132.72/845,102.66
  6. Step 6: Final answer
    x = 321,025.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.