Home / 276,673.05-381,819.06-154,176.48

Finding the Fourth Proportional to 276,673.05, 381,819.06 and 154,176.48

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Solution

The fourth proportional to 276,673.05, 381,819.06 and 154,176.48 is: 212,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,673.05 : 381,819.06 = 154,176.48 : x
  2. Step 2: Convert to fraction form
    276,673.05/381,819.06 = 154,176.48/x
  3. Step 3: Cross multiply
    276,673.05x = 381,819.06 × 154,176.48
  4. Step 4: Simplify right side
    276,673.05x = 58,867,518,667.71
  5. Step 5: Solve for x
    x = 58,867,518,667.71/276,673.05
  6. Step 6: Final answer
    x = 212,769.25

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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.