Home / 436,132.40-654,004.20-199,353.20

Finding the Fourth Proportional to 436,132.40, 654,004.20 and 199,353.20

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Solution

The fourth proportional to 436,132.40, 654,004.20 and 199,353.20 is: 298,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,132.40 : 654,004.20 = 199,353.20 : x
  2. Step 2: Convert to fraction form
    436,132.40/654,004.20 = 199,353.20/x
  3. Step 3: Cross multiply
    436,132.40x = 654,004.20 × 199,353.20
  4. Step 4: Simplify right side
    436,132.40x = 130,377,830,083.44
  5. Step 5: Solve for x
    x = 130,377,830,083.44/436,132.40
  6. Step 6: Final answer
    x = 298,940.94

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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.