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Finding the Fourth Proportional to 202,549.44, 303,861.06 and 69,443.16

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Solution

The fourth proportional to 202,549.44, 303,861.06 and 69,443.16 is: 104,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,549.44 : 303,861.06 = 69,443.16 : x
  2. Step 2: Convert to fraction form
    202,549.44/303,861.06 = 69,443.16/x
  3. Step 3: Cross multiply
    202,549.44x = 303,861.06 × 69,443.16
  4. Step 4: Simplify right side
    202,549.44x = 21,101,072,207.35
  5. Step 5: Solve for x
    x = 21,101,072,207.35/202,549.44
  6. Step 6: Final answer
    x = 104,177.39

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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.