Home / 320,536.20-442,310.26-177,293.16

Finding the Fourth Proportional to 320,536.20, 442,310.26 and 177,293.16

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Solution

The fourth proportional to 320,536.20, 442,310.26 and 177,293.16 is: 244,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,536.20 : 442,310.26 = 177,293.16 : x
  2. Step 2: Convert to fraction form
    320,536.20/442,310.26 = 177,293.16/x
  3. Step 3: Cross multiply
    320,536.20x = 442,310.26 × 177,293.16
  4. Step 4: Simplify right side
    320,536.20x = 78,418,583,695.82
  5. Step 5: Solve for x
    x = 78,418,583,695.82/320,536.20
  6. Step 6: Final answer
    x = 244,648.14

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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.