Home / 272,438.24-408,672.73-82,904.78

Finding the Fourth Proportional to 272,438.24, 408,672.73 and 82,904.78

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Solution

The fourth proportional to 272,438.24, 408,672.73 and 82,904.78 is: 124,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,438.24 : 408,672.73 = 82,904.78 : x
  2. Step 2: Convert to fraction form
    272,438.24/408,672.73 = 82,904.78/x
  3. Step 3: Cross multiply
    272,438.24x = 408,672.73 × 82,904.78
  4. Step 4: Simplify right side
    272,438.24x = 33,880,923,587.07
  5. Step 5: Solve for x
    x = 33,880,923,587.07/272,438.24
  6. Step 6: Final answer
    x = 124,361.85

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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.