Home / 279,096.03-385,169.34-164,451.09

Finding the Fourth Proportional to 279,096.03, 385,169.34 and 164,451.09

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Solution

The fourth proportional to 279,096.03, 385,169.34 and 164,451.09 is: 226,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,096.03 : 385,169.34 = 164,451.09 : x
  2. Step 2: Convert to fraction form
    279,096.03/385,169.34 = 164,451.09/x
  3. Step 3: Cross multiply
    279,096.03x = 385,169.34 × 164,451.09
  4. Step 4: Simplify right side
    279,096.03x = 63,341,519,858.66
  5. Step 5: Solve for x
    x = 63,341,519,858.66/279,096.03
  6. Step 6: Final answer
    x = 226,952.42

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1.5x scale

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.