Home / 791,143.48-1,186,715.20-192,100.60

Finding the Fourth Proportional to 791,143.48, 1,186,715.20 and 192,100.60

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Solution

The fourth proportional to 791,143.48, 1,186,715.20 and 192,100.60 is: 288,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,143.48 : 1,186,715.20 = 192,100.60 : x
  2. Step 2: Convert to fraction form
    791,143.48/1,186,715.20 = 192,100.60/x
  3. Step 3: Cross multiply
    791,143.48x = 1,186,715.20 × 192,100.60
  4. Step 4: Simplify right side
    791,143.48x = 227,968,701,949.12
  5. Step 5: Solve for x
    x = 227,968,701,949.12/791,143.48
  6. Step 6: Final answer
    x = 288,150.90

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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.