Home / 272,499.84-408,811.26-82,977.15

Finding the Fourth Proportional to 272,499.84, 408,811.26 and 82,977.15

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Solution

The fourth proportional to 272,499.84, 408,811.26 and 82,977.15 is: 124,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,499.84 : 408,811.26 = 82,977.15 : x
  2. Step 2: Convert to fraction form
    272,499.84/408,811.26 = 82,977.15/x
  3. Step 3: Cross multiply
    272,499.84x = 408,811.26 × 82,977.15
  4. Step 4: Simplify right side
    272,499.84x = 33,921,991,198.65
  5. Step 5: Solve for x
    x = 33,921,991,198.65/272,499.84
  6. Step 6: Final answer
    x = 124,484.45

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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.