Home / 276,900.12-382,249.73-162,162.81

Finding the Fourth Proportional to 276,900.12, 382,249.73 and 162,162.81

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Solution

The fourth proportional to 276,900.12, 382,249.73 and 162,162.81 is: 223,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,900.12 : 382,249.73 = 162,162.81 : x
  2. Step 2: Convert to fraction form
    276,900.12/382,249.73 = 162,162.81/x
  3. Step 3: Cross multiply
    276,900.12x = 382,249.73 × 162,162.81
  4. Step 4: Simplify right side
    276,900.12x = 61,986,690,743.95
  5. Step 5: Solve for x
    x = 61,986,690,743.95/276,900.12
  6. Step 6: Final answer
    x = 223,859.39

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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.