Home / 379,249.26-523,359.45-207,165.12

Finding the Fourth Proportional to 379,249.26, 523,359.45 and 207,165.12

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Solution

The fourth proportional to 379,249.26, 523,359.45 and 207,165.12 is: 285,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,249.26 : 523,359.45 = 207,165.12 : x
  2. Step 2: Convert to fraction form
    379,249.26/523,359.45 = 207,165.12/x
  3. Step 3: Cross multiply
    379,249.26x = 523,359.45 × 207,165.12
  4. Step 4: Simplify right side
    379,249.26x = 108,421,823,262.38
  5. Step 5: Solve for x
    x = 108,421,823,262.38/379,249.26
  6. Step 6: Final answer
    x = 285,885.39

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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.