Home / 379,035.20-567,861.60-308,532.80

Finding the Fourth Proportional to 379,035.20, 567,861.60 and 308,532.80

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Solution

The fourth proportional to 379,035.20, 567,861.60 and 308,532.80 is: 462,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,035.20 : 567,861.60 = 308,532.80 : x
  2. Step 2: Convert to fraction form
    379,035.20/567,861.60 = 308,532.80/x
  3. Step 3: Cross multiply
    379,035.20x = 567,861.60 × 308,532.80
  4. Step 4: Simplify right side
    379,035.20x = 175,203,929,460.48
  5. Step 5: Solve for x
    x = 175,203,929,460.48/379,035.20
  6. Step 6: Final answer
    x = 462,236.57

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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.