Home / 230,015.51-344,998.66-80,258.64

Finding the Fourth Proportional to 230,015.51, 344,998.66 and 80,258.64

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Solution

The fourth proportional to 230,015.51, 344,998.66 and 80,258.64 is: 120,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,015.51 : 344,998.66 = 80,258.64 : x
  2. Step 2: Convert to fraction form
    230,015.51/344,998.66 = 80,258.64/x
  3. Step 3: Cross multiply
    230,015.51x = 344,998.66 × 80,258.64
  4. Step 4: Simplify right side
    230,015.51x = 27,689,122,685.26
  5. Step 5: Solve for x
    x = 27,689,122,685.26/230,015.51
  6. Step 6: Final answer
    x = 120,379.37

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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.