Home / 276,161.92-381,099.83-155,303.17

Finding the Fourth Proportional to 276,161.92, 381,099.83 and 155,303.17

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Solution

The fourth proportional to 276,161.92, 381,099.83 and 155,303.17 is: 214,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,161.92 : 381,099.83 = 155,303.17 : x
  2. Step 2: Convert to fraction form
    276,161.92/381,099.83 = 155,303.17/x
  3. Step 3: Cross multiply
    276,161.92x = 381,099.83 × 155,303.17
  4. Step 4: Simplify right side
    276,161.92x = 59,186,009,956.20
  5. Step 5: Solve for x
    x = 59,186,009,956.20/276,161.92
  6. Step 6: Final answer
    x = 214,316.33

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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.