Home / 320,811.34-442,673.30-177,571.04

Finding the Fourth Proportional to 320,811.34, 442,673.30 and 177,571.04

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Solution

The fourth proportional to 320,811.34, 442,673.30 and 177,571.04 is: 245,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,811.34 : 442,673.30 = 177,571.04 : x
  2. Step 2: Convert to fraction form
    320,811.34/442,673.30 = 177,571.04/x
  3. Step 3: Cross multiply
    320,811.34x = 442,673.30 × 177,571.04
  4. Step 4: Simplify right side
    320,811.34x = 78,605,958,261.23
  5. Step 5: Solve for x
    x = 78,605,958,261.23/320,811.34
  6. Step 6: Final answer
    x = 245,022.38

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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.