Home / 207,467.90-311,355.45-82,898.30

Finding the Fourth Proportional to 207,467.90, 311,355.45 and 82,898.30

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Solution

The fourth proportional to 207,467.90, 311,355.45 and 82,898.30 is: 124,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,467.90 : 311,355.45 = 82,898.30 : x
  2. Step 2: Convert to fraction form
    207,467.90/311,355.45 = 82,898.30/x
  3. Step 3: Cross multiply
    207,467.90x = 311,355.45 × 82,898.30
  4. Step 4: Simplify right side
    207,467.90x = 25,810,837,500.74
  5. Step 5: Solve for x
    x = 25,810,837,500.74/207,467.90
  6. Step 6: Final answer
    x = 124,408.82

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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.