Home / 278,121.04-416,934.13-100,588.58

Finding the Fourth Proportional to 278,121.04, 416,934.13 and 100,588.58

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Solution

The fourth proportional to 278,121.04, 416,934.13 and 100,588.58 is: 150,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,121.04 : 416,934.13 = 100,588.58 : x
  2. Step 2: Convert to fraction form
    278,121.04/416,934.13 = 100,588.58/x
  3. Step 3: Cross multiply
    278,121.04x = 416,934.13 × 100,588.58
  4. Step 4: Simplify right side
    278,121.04x = 41,938,812,090.24
  5. Step 5: Solve for x
    x = 41,938,812,090.24/278,121.04
  6. Step 6: Final answer
    x = 150,793.38

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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.