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Finding the Fourth Proportional to 253,396.64, 380,205.20 and 158,843.52

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Solution

The fourth proportional to 253,396.64, 380,205.20 and 158,843.52 is: 238,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,396.64 : 380,205.20 = 158,843.52 : x
  2. Step 2: Convert to fraction form
    253,396.64/380,205.20 = 158,843.52/x
  3. Step 3: Cross multiply
    253,396.64x = 380,205.20 × 158,843.52
  4. Step 4: Simplify right side
    253,396.64x = 60,393,132,290.30
  5. Step 5: Solve for x
    x = 60,393,132,290.30/253,396.64
  6. Step 6: Final answer
    x = 238,334.38

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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.