Home / 276,922.80-382,154.94-156,065.94

Finding the Fourth Proportional to 276,922.80, 382,154.94 and 156,065.94

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Solution

The fourth proportional to 276,922.80, 382,154.94 and 156,065.94 is: 215,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,922.80 : 382,154.94 = 156,065.94 : x
  2. Step 2: Convert to fraction form
    276,922.80/382,154.94 = 156,065.94/x
  3. Step 3: Cross multiply
    276,922.80x = 382,154.94 × 156,065.94
  4. Step 4: Simplify right side
    276,922.80x = 59,641,369,936.74
  5. Step 5: Solve for x
    x = 59,641,369,936.74/276,922.80
  6. Step 6: Final answer
    x = 215,371.83

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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.