Home / 320,577.14-442,396.85-177,346.86

Finding the Fourth Proportional to 320,577.14, 442,396.85 and 177,346.86

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Solution

The fourth proportional to 320,577.14, 442,396.85 and 177,346.86 is: 244,738.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,577.14 : 442,396.85 = 177,346.86 : x
  2. Step 2: Convert to fraction form
    320,577.14/442,396.85 = 177,346.86/x
  3. Step 3: Cross multiply
    320,577.14x = 442,396.85 × 177,346.86
  4. Step 4: Simplify right side
    320,577.14x = 78,457,691,334.66
  5. Step 5: Solve for x
    x = 78,457,691,334.66/320,577.14
  6. Step 6: Final answer
    x = 244,738.89

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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.