Home / 320,577.59-442,395.23-177,334.53

Finding the Fourth Proportional to 320,577.59, 442,395.23 and 177,334.53

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Solution

The fourth proportional to 320,577.59, 442,395.23 and 177,334.53 is: 244,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,577.59 : 442,395.23 = 177,334.53 : x
  2. Step 2: Convert to fraction form
    320,577.59/442,395.23 = 177,334.53/x
  3. Step 3: Cross multiply
    320,577.59x = 442,395.23 × 177,334.53
  4. Step 4: Simplify right side
    320,577.59x = 78,451,949,299.62
  5. Step 5: Solve for x
    x = 78,451,949,299.62/320,577.59
  6. Step 6: Final answer
    x = 244,720.63

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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.