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Finding the Fourth Proportional to 252,801.34, 379,108.99 and 102,960.25

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Solution

The fourth proportional to 252,801.34, 379,108.99 and 102,960.25 is: 154,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,801.34 : 379,108.99 = 102,960.25 : x
  2. Step 2: Convert to fraction form
    252,801.34/379,108.99 = 102,960.25/x
  3. Step 3: Cross multiply
    252,801.34x = 379,108.99 × 102,960.25
  4. Step 4: Simplify right side
    252,801.34x = 39,033,156,387.65
  5. Step 5: Solve for x
    x = 39,033,156,387.65/252,801.34
  6. Step 6: Final answer
    x = 154,402.49

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1.5x scale

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.