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Finding the Fourth Proportional to 279,673.56, 385,952.04 and 164,954.88

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Solution

The fourth proportional to 279,673.56, 385,952.04 and 164,954.88 is: 227,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,673.56 : 385,952.04 = 164,954.88 : x
  2. Step 2: Convert to fraction form
    279,673.56/385,952.04 = 164,954.88/x
  3. Step 3: Cross multiply
    279,673.56x = 385,952.04 × 164,954.88
  4. Step 4: Simplify right side
    279,673.56x = 63,664,672,443.96
  5. Step 5: Solve for x
    x = 63,664,672,443.96/279,673.56
  6. Step 6: Final answer
    x = 227,639.22

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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.