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Finding the Fourth Proportional to 201,644.13, 302,652.90 and 101,874.54

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Solution

The fourth proportional to 201,644.13, 302,652.90 and 101,874.54 is: 152,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,644.13 : 302,652.90 = 101,874.54 : x
  2. Step 2: Convert to fraction form
    201,644.13/302,652.90 = 101,874.54/x
  3. Step 3: Cross multiply
    201,644.13x = 302,652.90 × 101,874.54
  4. Step 4: Simplify right side
    201,644.13x = 30,832,624,967.17
  5. Step 5: Solve for x
    x = 30,832,624,967.17/201,644.13
  6. Step 6: Final answer
    x = 152,906.14

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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.