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Finding the Fourth Proportional to 201,219.09, 301,810.15 and 68,084.07

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Solution

The fourth proportional to 201,219.09, 301,810.15 and 68,084.07 is: 102,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,219.09 : 301,810.15 = 68,084.07 : x
  2. Step 2: Convert to fraction form
    201,219.09/301,810.15 = 68,084.07/x
  3. Step 3: Cross multiply
    201,219.09x = 301,810.15 × 68,084.07
  4. Step 4: Simplify right side
    201,219.09x = 20,548,463,379.31
  5. Step 5: Solve for x
    x = 20,548,463,379.31/201,219.09
  6. Step 6: Final answer
    x = 102,119.85

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1.5x scale

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.