Home / 276,790.04-381,998.47-169,431.02

Finding the Fourth Proportional to 276,790.04, 381,998.47 and 169,431.02

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Solution

The fourth proportional to 276,790.04, 381,998.47 and 169,431.02 is: 233,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,790.04 : 381,998.47 = 169,431.02 : x
  2. Step 2: Convert to fraction form
    276,790.04/381,998.47 = 169,431.02/x
  3. Step 3: Cross multiply
    276,790.04x = 381,998.47 × 169,431.02
  4. Step 4: Simplify right side
    276,790.04x = 64,722,388,076.97
  5. Step 5: Solve for x
    x = 64,722,388,076.97/276,790.04
  6. Step 6: Final answer
    x = 233,832.07

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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.