Home / 320,832.26-442,743.15-177,589.22

Finding the Fourth Proportional to 320,832.26, 442,743.15 and 177,589.22

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Solution

The fourth proportional to 320,832.26, 442,743.15 and 177,589.22 is: 245,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,832.26 : 442,743.15 = 177,589.22 : x
  2. Step 2: Convert to fraction form
    320,832.26/442,743.15 = 177,589.22/x
  3. Step 3: Cross multiply
    320,832.26x = 442,743.15 × 177,589.22
  4. Step 4: Simplify right side
    320,832.26x = 78,626,410,668.84
  5. Step 5: Solve for x
    x = 78,626,410,668.84/320,832.26
  6. Step 6: Final answer
    x = 245,070.15

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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.