Home / 320,832.27-442,743.15-177,589.23

Finding the Fourth Proportional to 320,832.27, 442,743.15 and 177,589.23

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Solution

The fourth proportional to 320,832.27, 442,743.15 and 177,589.23 is: 245,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,832.27 : 442,743.15 = 177,589.23 : x
  2. Step 2: Convert to fraction form
    320,832.27/442,743.15 = 177,589.23/x
  3. Step 3: Cross multiply
    320,832.27x = 442,743.15 × 177,589.23
  4. Step 4: Simplify right side
    320,832.27x = 78,626,415,096.27
  5. Step 5: Solve for x
    x = 78,626,415,096.27/320,832.27
  6. Step 6: Final answer
    x = 245,070.16

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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.