Home / 276,727.80-415,465.02-177,082.68

Finding the Fourth Proportional to 276,727.80, 415,465.02 and 177,082.68

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Solution

The fourth proportional to 276,727.80, 415,465.02 and 177,082.68 is: 265,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,727.80 : 415,465.02 = 177,082.68 : x
  2. Step 2: Convert to fraction form
    276,727.80/415,465.02 = 177,082.68/x
  3. Step 3: Cross multiply
    276,727.80x = 415,465.02 × 177,082.68
  4. Step 4: Simplify right side
    276,727.80x = 73,571,659,187.85
  5. Step 5: Solve for x
    x = 73,571,659,187.85/276,727.80
  6. Step 6: Final answer
    x = 265,862.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.