Home / 278,120.48-416,933.28-100,588.02

Finding the Fourth Proportional to 278,120.48, 416,933.28 and 100,588.02

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Solution

The fourth proportional to 278,120.48, 416,933.28 and 100,588.02 is: 150,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,120.48 : 416,933.28 = 100,588.02 : x
  2. Step 2: Convert to fraction form
    278,120.48/416,933.28 = 100,588.02/x
  3. Step 3: Cross multiply
    278,120.48x = 416,933.28 × 100,588.02
  4. Step 4: Simplify right side
    278,120.48x = 41,938,493,107.31
  5. Step 5: Solve for x
    x = 41,938,493,107.31/278,120.48
  6. Step 6: Final answer
    x = 150,792.54

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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.