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Finding the Fourth Proportional to 279,177.93, 385,299.75 and 164,450.64

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Solution

The fourth proportional to 279,177.93, 385,299.75 and 164,450.64 is: 226,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,177.93 : 385,299.75 = 164,450.64 : x
  2. Step 2: Convert to fraction form
    279,177.93/385,299.75 = 164,450.64/x
  3. Step 3: Cross multiply
    279,177.93x = 385,299.75 × 164,450.64
  4. Step 4: Simplify right side
    279,177.93x = 63,362,790,479.34
  5. Step 5: Solve for x
    x = 63,362,790,479.34/279,177.93
  6. Step 6: Final answer
    x = 226,962.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.