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Finding the Fourth Proportional to 201,942.86, 302,968.82 and 61,697.66

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Solution

The fourth proportional to 201,942.86, 302,968.82 and 61,697.66 is: 92,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,942.86 : 302,968.82 = 61,697.66 : x
  2. Step 2: Convert to fraction form
    201,942.86/302,968.82 = 61,697.66/x
  3. Step 3: Cross multiply
    201,942.86x = 302,968.82 × 61,697.66
  4. Step 4: Simplify right side
    201,942.86x = 18,692,467,246.96
  5. Step 5: Solve for x
    x = 18,692,467,246.96/201,942.86
  6. Step 6: Final answer
    x = 92,563.15

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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.