Home / 354,915.27-489,784.19-227,591.37

Finding the Fourth Proportional to 354,915.27, 489,784.19 and 227,591.37

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Solution

The fourth proportional to 354,915.27, 489,784.19 and 227,591.37 is: 314,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,915.27 : 489,784.19 = 227,591.37 : x
  2. Step 2: Convert to fraction form
    354,915.27/489,784.19 = 227,591.37/x
  3. Step 3: Cross multiply
    354,915.27x = 489,784.19 × 227,591.37
  4. Step 4: Simplify right side
    354,915.27x = 111,470,653,668.48
  5. Step 5: Solve for x
    x = 111,470,653,668.48/354,915.27
  6. Step 6: Final answer
    x = 314,076.80

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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.