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Finding the Fourth Proportional to 285,132.76, 393,439.37 and 164,250.44

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Solution

The fourth proportional to 285,132.76, 393,439.37 and 164,250.44 is: 226,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,132.76 : 393,439.37 = 164,250.44 : x
  2. Step 2: Convert to fraction form
    285,132.76/393,439.37 = 164,250.44/x
  3. Step 3: Cross multiply
    285,132.76x = 393,439.37 × 164,250.44
  4. Step 4: Simplify right side
    285,132.76x = 64,622,589,635.82
  5. Step 5: Solve for x
    x = 64,622,589,635.82/285,132.76
  6. Step 6: Final answer
    x = 226,640.35

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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.