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Finding the Fourth Proportional to 201,773.10, 302,658.84 and 61,531.32

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Solution

The fourth proportional to 201,773.10, 302,658.84 and 61,531.32 is: 92,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,773.10 : 302,658.84 = 61,531.32 : x
  2. Step 2: Convert to fraction form
    201,773.10/302,658.84 = 61,531.32/x
  3. Step 3: Cross multiply
    201,773.10x = 302,658.84 × 61,531.32
  4. Step 4: Simplify right side
    201,773.10x = 18,622,997,934.87
  5. Step 5: Solve for x
    x = 18,622,997,934.87/201,773.10
  6. Step 6: Final answer
    x = 92,296.73

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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.