Home / 279,414.22-385,580.92-158,548.30

Finding the Fourth Proportional to 279,414.22, 385,580.92 and 158,548.30

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Solution

The fourth proportional to 279,414.22, 385,580.92 and 158,548.30 is: 218,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,414.22 : 385,580.92 = 158,548.30 : x
  2. Step 2: Convert to fraction form
    279,414.22/385,580.92 = 158,548.30/x
  3. Step 3: Cross multiply
    279,414.22x = 385,580.92 × 158,548.30
  4. Step 4: Simplify right side
    279,414.22x = 61,133,199,378.44
  5. Step 5: Solve for x
    x = 61,133,199,378.44/279,414.22
  6. Step 6: Final answer
    x = 218,790.58

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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.