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Finding the Fourth Proportional to 301,015.27, 415,419.75 and 166,879.27

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Solution

The fourth proportional to 301,015.27, 415,419.75 and 166,879.27 is: 230,303.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,015.27 : 415,419.75 = 166,879.27 : x
  2. Step 2: Convert to fraction form
    301,015.27/415,419.75 = 166,879.27/x
  3. Step 3: Cross multiply
    301,015.27x = 415,419.75 × 166,879.27
  4. Step 4: Simplify right side
    301,015.27x = 69,324,944,623.58
  5. Step 5: Solve for x
    x = 69,324,944,623.58/301,015.27
  6. Step 6: Final answer
    x = 230,303.75

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1.5x scale

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.