Home / 383,974.55-575,896.20-103,426.19

Finding the Fourth Proportional to 383,974.55, 575,896.20 and 103,426.19

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Solution

The fourth proportional to 383,974.55, 575,896.20 and 103,426.19 is: 155,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,974.55 : 575,896.20 = 103,426.19 : x
  2. Step 2: Convert to fraction form
    383,974.55/575,896.20 = 103,426.19/x
  3. Step 3: Cross multiply
    383,974.55x = 575,896.20 × 103,426.19
  4. Step 4: Simplify right side
    383,974.55x = 59,562,749,801.48
  5. Step 5: Solve for x
    x = 59,562,749,801.48/383,974.55
  6. Step 6: Final answer
    x = 155,121.61

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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.