Home / 287,588.38-396,612.97-180,167.80

Finding the Fourth Proportional to 287,588.38, 396,612.97 and 180,167.80

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Solution

The fourth proportional to 287,588.38, 396,612.97 and 180,167.80 is: 248,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,588.38 : 396,612.97 = 180,167.80 : x
  2. Step 2: Convert to fraction form
    287,588.38/396,612.97 = 180,167.80/x
  3. Step 3: Cross multiply
    287,588.38x = 396,612.97 × 180,167.80
  4. Step 4: Simplify right side
    287,588.38x = 71,456,886,256.37
  5. Step 5: Solve for x
    x = 71,456,886,256.37/287,588.38
  6. Step 6: Final answer
    x = 248,469.31

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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.