Home / 276,808.77-381,996.06-149,484.36

Finding the Fourth Proportional to 276,808.77, 381,996.06 and 149,484.36

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Solution

The fourth proportional to 276,808.77, 381,996.06 and 149,484.36 is: 206,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,808.77 : 381,996.06 = 149,484.36 : x
  2. Step 2: Convert to fraction form
    276,808.77/381,996.06 = 149,484.36/x
  3. Step 3: Cross multiply
    276,808.77x = 381,996.06 × 149,484.36
  4. Step 4: Simplify right side
    276,808.77x = 57,102,436,551.62
  5. Step 5: Solve for x
    x = 57,102,436,551.62/276,808.77
  6. Step 6: Final answer
    x = 206,288.39

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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.