Home / 399,831.20-551,766.26-227,749.10

Finding the Fourth Proportional to 399,831.20, 551,766.26 and 227,749.10

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Solution

The fourth proportional to 399,831.20, 551,766.26 and 227,749.10 is: 314,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,831.20 : 551,766.26 = 227,749.10 : x
  2. Step 2: Convert to fraction form
    399,831.20/551,766.26 = 227,749.10/x
  3. Step 3: Cross multiply
    399,831.20x = 551,766.26 × 227,749.10
  4. Step 4: Simplify right side
    399,831.20x = 125,664,269,125.37
  5. Step 5: Solve for x
    x = 125,664,269,125.37/399,831.20
  6. Step 6: Final answer
    x = 314,293.30

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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.