Home / 320,610.56-442,414.72-177,368.32

Finding the Fourth Proportional to 320,610.56, 442,414.72 and 177,368.32

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Solution

The fourth proportional to 320,610.56, 442,414.72 and 177,368.32 is: 244,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,610.56 : 442,414.72 = 177,368.32 : x
  2. Step 2: Convert to fraction form
    320,610.56/442,414.72 = 177,368.32/x
  3. Step 3: Cross multiply
    320,610.56x = 442,414.72 × 177,368.32
  4. Step 4: Simplify right side
    320,610.56x = 78,470,355,629.67
  5. Step 5: Solve for x
    x = 78,470,355,629.67/320,610.56
  6. Step 6: Final answer
    x = 244,752.87

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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.