Home / 635,535.20-953,301.72-162,220.40

Finding the Fourth Proportional to 635,535.20, 953,301.72 and 162,220.40

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Solution

The fourth proportional to 635,535.20, 953,301.72 and 162,220.40 is: 243,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,535.20 : 953,301.72 = 162,220.40 : x
  2. Step 2: Convert to fraction form
    635,535.20/953,301.72 = 162,220.40/x
  3. Step 3: Cross multiply
    635,535.20x = 953,301.72 × 162,220.40
  4. Step 4: Simplify right side
    635,535.20x = 154,644,986,339.09
  5. Step 5: Solve for x
    x = 154,644,986,339.09/635,535.20
  6. Step 6: Final answer
    x = 243,330.32

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.