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Finding the Fourth Proportional to 253,165.44, 379,805.76 and 134,774.40

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Solution

The fourth proportional to 253,165.44, 379,805.76 and 134,774.40 is: 202,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,165.44 : 379,805.76 = 134,774.40 : x
  2. Step 2: Convert to fraction form
    253,165.44/379,805.76 = 134,774.40/x
  3. Step 3: Cross multiply
    253,165.44x = 379,805.76 × 134,774.40
  4. Step 4: Simplify right side
    253,165.44x = 51,188,093,420.54
  5. Step 5: Solve for x
    x = 51,188,093,420.54/253,165.44
  6. Step 6: Final answer
    x = 202,192.26

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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.