Home / 320,322.12-442,010.70-177,059.04

Finding the Fourth Proportional to 320,322.12, 442,010.70 and 177,059.04

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Solution

The fourth proportional to 320,322.12, 442,010.70 and 177,059.04 is: 244,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,322.12 : 442,010.70 = 177,059.04 : x
  2. Step 2: Convert to fraction form
    320,322.12/442,010.70 = 177,059.04/x
  3. Step 3: Cross multiply
    320,322.12x = 442,010.70 × 177,059.04
  4. Step 4: Simplify right side
    320,322.12x = 78,261,990,211.73
  5. Step 5: Solve for x
    x = 78,261,990,211.73/320,322.12
  6. Step 6: Final answer
    x = 244,322.78

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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.