Home / 276,444.91-381,513.27-155,597.77

Finding the Fourth Proportional to 276,444.91, 381,513.27 and 155,597.77

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Solution

The fourth proportional to 276,444.91, 381,513.27 and 155,597.77 is: 214,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,444.91 : 381,513.27 = 155,597.77 : x
  2. Step 2: Convert to fraction form
    276,444.91/381,513.27 = 155,597.77/x
  3. Step 3: Cross multiply
    276,444.91x = 381,513.27 × 155,597.77
  4. Step 4: Simplify right side
    276,444.91x = 59,362,614,037.41
  5. Step 5: Solve for x
    x = 59,362,614,037.41/276,444.91
  6. Step 6: Final answer
    x = 214,735.78

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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.