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Finding the Fourth Proportional to 376,026, 518,915.88 and 206,260.52

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Solution

The fourth proportional to 376,026, 518,915.88 and 206,260.52 is: 284,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,026 : 518,915.88 = 206,260.52 : x
  2. Step 2: Convert to fraction form
    376,026/518,915.88 = 206,260.52/x
  3. Step 3: Cross multiply
    376,026x = 518,915.88 × 206,260.52
  4. Step 4: Simplify right side
    376,026x = 107,031,859,245.06
  5. Step 5: Solve for x
    x = 107,031,859,245.06/376,026
  6. Step 6: Final answer
    x = 284,639.52

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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.