Home / 436,310.40-654,271.20-199,725.60

Finding the Fourth Proportional to 436,310.40, 654,271.20 and 199,725.60

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Solution

The fourth proportional to 436,310.40, 654,271.20 and 199,725.60 is: 299,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,310.40 : 654,271.20 = 199,725.60 : x
  2. Step 2: Convert to fraction form
    436,310.40/654,271.20 = 199,725.60/x
  3. Step 3: Cross multiply
    436,310.40x = 654,271.20 × 199,725.60
  4. Step 4: Simplify right side
    436,310.40x = 130,674,707,982.72
  5. Step 5: Solve for x
    x = 130,674,707,982.72/436,310.40
  6. Step 6: Final answer
    x = 299,499.41

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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.