Home / 499,035.78-748,556.91-199,541.52

Finding the Fourth Proportional to 499,035.78, 748,556.91 and 199,541.52

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Solution

The fourth proportional to 499,035.78, 748,556.91 and 199,541.52 is: 299,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,035.78 : 748,556.91 = 199,541.52 : x
  2. Step 2: Convert to fraction form
    499,035.78/748,556.91 = 199,541.52/x
  3. Step 3: Cross multiply
    499,035.78x = 748,556.91 × 199,541.52
  4. Step 4: Simplify right side
    499,035.78x = 149,368,183,627.90
  5. Step 5: Solve for x
    x = 149,368,183,627.90/499,035.78
  6. Step 6: Final answer
    x = 299,313.58

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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.