Home / 276,224.46-381,185.94-155,365.68

Finding the Fourth Proportional to 276,224.46, 381,185.94 and 155,365.68

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Solution

The fourth proportional to 276,224.46, 381,185.94 and 155,365.68 is: 214,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,224.46 : 381,185.94 = 155,365.68 : x
  2. Step 2: Convert to fraction form
    276,224.46/381,185.94 = 155,365.68/x
  3. Step 3: Cross multiply
    276,224.46x = 381,185.94 × 155,365.68
  4. Step 4: Simplify right side
    276,224.46x = 59,223,212,774.54
  5. Step 5: Solve for x
    x = 59,223,212,774.54/276,224.46
  6. Step 6: Final answer
    x = 214,402.49

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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.