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Finding the Fourth Proportional to 325,728.24, 449,531.28 and 182,520.24

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Solution

The fourth proportional to 325,728.24, 449,531.28 and 182,520.24 is: 251,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,728.24 : 449,531.28 = 182,520.24 : x
  2. Step 2: Convert to fraction form
    325,728.24/449,531.28 = 182,520.24/x
  3. Step 3: Cross multiply
    325,728.24x = 449,531.28 × 182,520.24
  4. Step 4: Simplify right side
    325,728.24x = 82,048,557,113.11
  5. Step 5: Solve for x
    x = 82,048,557,113.11/325,728.24
  6. Step 6: Final answer
    x = 251,892.67

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1.5x scale

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.