Home / 309,195.27-463,780.78-129,234.22

Finding the Fourth Proportional to 309,195.27, 463,780.78 and 129,234.22

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Solution

The fourth proportional to 309,195.27, 463,780.78 and 129,234.22 is: 193,846.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,195.27 : 463,780.78 = 129,234.22 : x
  2. Step 2: Convert to fraction form
    309,195.27/463,780.78 = 129,234.22/x
  3. Step 3: Cross multiply
    309,195.27x = 463,780.78 × 129,234.22
  4. Step 4: Simplify right side
    309,195.27x = 59,936,347,610.93
  5. Step 5: Solve for x
    x = 59,936,347,610.93/309,195.27
  6. Step 6: Final answer
    x = 193,846.26

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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.