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Finding the Fourth Proportional to 170,863.54, 256,251 and 50,892.46

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Solution

The fourth proportional to 170,863.54, 256,251 and 50,892.46 is: 76,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,863.54 : 256,251 = 50,892.46 : x
  2. Step 2: Convert to fraction form
    170,863.54/256,251 = 50,892.46/x
  3. Step 3: Cross multiply
    170,863.54x = 256,251 × 50,892.46
  4. Step 4: Simplify right side
    170,863.54x = 13,041,243,767.46
  5. Step 5: Solve for x
    x = 13,041,243,767.46/170,863.54
  6. Step 6: Final answer
    x = 76,325.49

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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.