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Finding the Fourth Proportional to 301,302.37, 415,796.11 and 165,338.59

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Solution

The fourth proportional to 301,302.37, 415,796.11 and 165,338.59 is: 228,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,302.37 : 415,796.11 = 165,338.59 : x
  2. Step 2: Convert to fraction form
    301,302.37/415,796.11 = 165,338.59/x
  3. Step 3: Cross multiply
    301,302.37x = 415,796.11 × 165,338.59
  4. Step 4: Simplify right side
    301,302.37x = 68,747,142,554.88
  5. Step 5: Solve for x
    x = 68,747,142,554.88/301,302.37
  6. Step 6: Final answer
    x = 228,166.62

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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.