Home / 436,311.40-654,272.70-199,726.60

Finding the Fourth Proportional to 436,311.40, 654,272.70 and 199,726.60

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Solution

The fourth proportional to 436,311.40, 654,272.70 and 199,726.60 is: 299,500.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,311.40 : 654,272.70 = 199,726.60 : x
  2. Step 2: Convert to fraction form
    436,311.40/654,272.70 = 199,726.60/x
  3. Step 3: Cross multiply
    436,311.40x = 654,272.70 × 199,726.60
  4. Step 4: Simplify right side
    436,311.40x = 130,675,661,843.82
  5. Step 5: Solve for x
    x = 130,675,661,843.82/436,311.40
  6. Step 6: Final answer
    x = 299,500.91

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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.