Home / 290,276.24-400,579.61-162,951.80

Finding the Fourth Proportional to 290,276.24, 400,579.61 and 162,951.80

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Solution

The fourth proportional to 290,276.24, 400,579.61 and 162,951.80 is: 224,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,276.24 : 400,579.61 = 162,951.80 : x
  2. Step 2: Convert to fraction form
    290,276.24/400,579.61 = 162,951.80/x
  3. Step 3: Cross multiply
    290,276.24x = 400,579.61 × 162,951.80
  4. Step 4: Simplify right side
    290,276.24x = 65,275,165,675.14
  5. Step 5: Solve for x
    x = 65,275,165,675.14/290,276.24
  6. Step 6: Final answer
    x = 224,872.58

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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.