Home / 285,752.15-394,350.77-163,255.25

Finding the Fourth Proportional to 285,752.15, 394,350.77 and 163,255.25

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Solution

The fourth proportional to 285,752.15, 394,350.77 and 163,255.25 is: 225,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,752.15 : 394,350.77 = 163,255.25 : x
  2. Step 2: Convert to fraction form
    285,752.15/394,350.77 = 163,255.25/x
  3. Step 3: Cross multiply
    285,752.15x = 394,350.77 × 163,255.25
  4. Step 4: Simplify right side
    285,752.15x = 64,379,833,544.04
  5. Step 5: Solve for x
    x = 64,379,833,544.04/285,752.15
  6. Step 6: Final answer
    x = 225,299.56

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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.