Home / 635,729.16-953,234.30-209,149.55

Finding the Fourth Proportional to 635,729.16, 953,234.30 and 209,149.55

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Solution

The fourth proportional to 635,729.16, 953,234.30 and 209,149.55 is: 313,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,729.16 : 953,234.30 = 209,149.55 : x
  2. Step 2: Convert to fraction form
    635,729.16/953,234.30 = 209,149.55/x
  3. Step 3: Cross multiply
    635,729.16x = 953,234.30 × 209,149.55
  4. Step 4: Simplify right side
    635,729.16x = 199,368,520,646.27
  5. Step 5: Solve for x
    x = 199,368,520,646.27/635,729.16
  6. Step 6: Final answer
    x = 313,606.07

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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.