Home / 436,087.20-654,130.80-236,503.20

Finding the Fourth Proportional to 436,087.20, 654,130.80 and 236,503.20

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Solution

The fourth proportional to 436,087.20, 654,130.80 and 236,503.20 is: 354,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,087.20 : 654,130.80 = 236,503.20 : x
  2. Step 2: Convert to fraction form
    436,087.20/654,130.80 = 236,503.20/x
  3. Step 3: Cross multiply
    436,087.20x = 654,130.80 × 236,503.20
  4. Step 4: Simplify right side
    436,087.20x = 154,704,027,418.56
  5. Step 5: Solve for x
    x = 154,704,027,418.56/436,087.20
  6. Step 6: Final answer
    x = 354,754.80

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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.