Home / 320,335.64-442,072.40-177,104.91

Finding the Fourth Proportional to 320,335.64, 442,072.40 and 177,104.91

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Solution

The fourth proportional to 320,335.64, 442,072.40 and 177,104.91 is: 244,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,335.64 : 442,072.40 = 177,104.91 : x
  2. Step 2: Convert to fraction form
    320,335.64/442,072.40 = 177,104.91/x
  3. Step 3: Cross multiply
    320,335.64x = 442,072.40 × 177,104.91
  4. Step 4: Simplify right side
    320,335.64x = 78,293,190,847.88
  5. Step 5: Solve for x
    x = 78,293,190,847.88/320,335.64
  6. Step 6: Final answer
    x = 244,409.87

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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.