Home / 279,630.20-385,907.82-166,437.56

Finding the Fourth Proportional to 279,630.20, 385,907.82 and 166,437.56

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Solution

The fourth proportional to 279,630.20, 385,907.82 and 166,437.56 is: 229,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,630.20 : 385,907.82 = 166,437.56 : x
  2. Step 2: Convert to fraction form
    279,630.20/385,907.82 = 166,437.56/x
  3. Step 3: Cross multiply
    279,630.20x = 385,907.82 × 166,437.56
  4. Step 4: Simplify right side
    279,630.20x = 64,229,555,945.72
  5. Step 5: Solve for x
    x = 64,229,555,945.72/279,630.20
  6. Step 6: Final answer
    x = 229,694.63

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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.