Home / 379,036.20-567,863.10-308,533.80

Finding the Fourth Proportional to 379,036.20, 567,863.10 and 308,533.80

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Solution

The fourth proportional to 379,036.20, 567,863.10 and 308,533.80 is: 462,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,036.20 : 567,863.10 = 308,533.80 : x
  2. Step 2: Convert to fraction form
    379,036.20/567,863.10 = 308,533.80/x
  3. Step 3: Cross multiply
    379,036.20x = 567,863.10 × 308,533.80
  4. Step 4: Simplify right side
    379,036.20x = 175,204,960,122.78
  5. Step 5: Solve for x
    x = 175,204,960,122.78/379,036.20
  6. Step 6: Final answer
    x = 462,238.07

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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.