Home / 320,722.14-442,589.91-177,473.58

Finding the Fourth Proportional to 320,722.14, 442,589.91 and 177,473.58

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Solution

The fourth proportional to 320,722.14, 442,589.91 and 177,473.58 is: 244,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,722.14 : 442,589.91 = 177,473.58 : x
  2. Step 2: Convert to fraction form
    320,722.14/442,589.91 = 177,473.58/x
  3. Step 3: Cross multiply
    320,722.14x = 442,589.91 × 177,473.58
  4. Step 4: Simplify right side
    320,722.14x = 78,548,015,799.58
  5. Step 5: Solve for x
    x = 78,548,015,799.58/320,722.14
  6. Step 6: Final answer
    x = 244,909.86

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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.