Home / 287,322.27-396,755.46-180,076.65

Finding the Fourth Proportional to 287,322.27, 396,755.46 and 180,076.65

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Solution

The fourth proportional to 287,322.27, 396,755.46 and 180,076.65 is: 248,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,322.27 : 396,755.46 = 180,076.65 : x
  2. Step 2: Convert to fraction form
    287,322.27/396,755.46 = 180,076.65/x
  3. Step 3: Cross multiply
    287,322.27x = 396,755.46 × 180,076.65
  4. Step 4: Simplify right side
    287,322.27x = 71,446,394,106.01
  5. Step 5: Solve for x
    x = 71,446,394,106.01/287,322.27
  6. Step 6: Final answer
    x = 248,662.92

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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.