Home / 279,535.86-385,770.06-158,682.24

Finding the Fourth Proportional to 279,535.86, 385,770.06 and 158,682.24

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Solution

The fourth proportional to 279,535.86, 385,770.06 and 158,682.24 is: 218,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,535.86 : 385,770.06 = 158,682.24 : x
  2. Step 2: Convert to fraction form
    279,535.86/385,770.06 = 158,682.24/x
  3. Step 3: Cross multiply
    279,535.86x = 385,770.06 × 158,682.24
  4. Step 4: Simplify right side
    279,535.86x = 61,214,857,245.73
  5. Step 5: Solve for x
    x = 61,214,857,245.73/279,535.86
  6. Step 6: Final answer
    x = 218,987.49

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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.