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Finding the Fourth Proportional to 227,915.20, 341,872.80 and 164,929.60

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Solution

The fourth proportional to 227,915.20, 341,872.80 and 164,929.60 is: 247,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,915.20 : 341,872.80 = 164,929.60 : x
  2. Step 2: Convert to fraction form
    227,915.20/341,872.80 = 164,929.60/x
  3. Step 3: Cross multiply
    227,915.20x = 341,872.80 × 164,929.60
  4. Step 4: Simplify right side
    227,915.20x = 56,384,944,154.88
  5. Step 5: Solve for x
    x = 56,384,944,154.88/227,915.20
  6. Step 6: Final answer
    x = 247,394.40

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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.