Home / 320,581.75-442,364.53-177,322.32

Finding the Fourth Proportional to 320,581.75, 442,364.53 and 177,322.32

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Solution

The fourth proportional to 320,581.75, 442,364.53 and 177,322.32 is: 244,683.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,581.75 : 442,364.53 = 177,322.32 : x
  2. Step 2: Convert to fraction form
    320,581.75/442,364.53 = 177,322.32/x
  3. Step 3: Cross multiply
    320,581.75x = 442,364.53 × 177,322.32
  4. Step 4: Simplify right side
    320,581.75x = 78,441,104,745.31
  5. Step 5: Solve for x
    x = 78,441,104,745.31/320,581.75
  6. Step 6: Final answer
    x = 244,683.63

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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.