Home / 276,315.66-381,299.97-155,462.04

Finding the Fourth Proportional to 276,315.66, 381,299.97 and 155,462.04

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Solution

The fourth proportional to 276,315.66, 381,299.97 and 155,462.04 is: 214,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,315.66 : 381,299.97 = 155,462.04 : x
  2. Step 2: Convert to fraction form
    276,315.66/381,299.97 = 155,462.04/x
  3. Step 3: Cross multiply
    276,315.66x = 381,299.97 × 155,462.04
  4. Step 4: Simplify right side
    276,315.66x = 59,277,671,188.14
  5. Step 5: Solve for x
    x = 59,277,671,188.14/276,315.66
  6. Step 6: Final answer
    x = 214,528.82

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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.