Home / 275,217.40-412,834.74-97,721.56

Finding the Fourth Proportional to 275,217.40, 412,834.74 and 97,721.56

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Solution

The fourth proportional to 275,217.40, 412,834.74 and 97,721.56 is: 146,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,217.40 : 412,834.74 = 97,721.56 : x
  2. Step 2: Convert to fraction form
    275,217.40/412,834.74 = 97,721.56/x
  3. Step 3: Cross multiply
    275,217.40x = 412,834.74 × 97,721.56
  4. Step 4: Simplify right side
    275,217.40x = 40,342,854,814.99
  5. Step 5: Solve for x
    x = 40,342,854,814.99/275,217.40
  6. Step 6: Final answer
    x = 146,585.41

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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.