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Finding the Fourth Proportional to 276,708.96, 381,887.28 and 169,350.48

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Solution

The fourth proportional to 276,708.96, 381,887.28 and 169,350.48 is: 233,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,708.96 : 381,887.28 = 169,350.48 : x
  2. Step 2: Convert to fraction form
    276,708.96/381,887.28 = 169,350.48/x
  3. Step 3: Cross multiply
    276,708.96x = 381,887.28 × 169,350.48
  4. Step 4: Simplify right side
    276,708.96x = 64,672,794,173.89
  5. Step 5: Solve for x
    x = 64,672,794,173.89/276,708.96
  6. Step 6: Final answer
    x = 233,721.36

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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.