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Finding the Fourth Proportional to 301,195.44, 415,655.25 and 165,236.34

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Solution

The fourth proportional to 301,195.44, 415,655.25 and 165,236.34 is: 228,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,195.44 : 415,655.25 = 165,236.34 : x
  2. Step 2: Convert to fraction form
    301,195.44/415,655.25 = 165,236.34/x
  3. Step 3: Cross multiply
    301,195.44x = 415,655.25 × 165,236.34
  4. Step 4: Simplify right side
    301,195.44x = 68,681,352,211.79
  5. Step 5: Solve for x
    x = 68,681,352,211.79/301,195.44
  6. Step 6: Final answer
    x = 228,029.19

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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.