Home / 436,247.20-654,370.80-200,051.20

Finding the Fourth Proportional to 436,247.20, 654,370.80 and 200,051.20

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Solution

The fourth proportional to 436,247.20, 654,370.80 and 200,051.20 is: 300,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,247.20 : 654,370.80 = 200,051.20 : x
  2. Step 2: Convert to fraction form
    436,247.20/654,370.80 = 200,051.20/x
  3. Step 3: Cross multiply
    436,247.20x = 654,370.80 × 200,051.20
  4. Step 4: Simplify right side
    436,247.20x = 130,907,663,784.96
  5. Step 5: Solve for x
    x = 130,907,663,784.96/436,247.20
  6. Step 6: Final answer
    x = 300,076.80

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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.