Home / 436,178.22-654,267.33-120,635.13

Finding the Fourth Proportional to 436,178.22, 654,267.33 and 120,635.13

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Solution

The fourth proportional to 436,178.22, 654,267.33 and 120,635.13 is: 180,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,178.22 : 654,267.33 = 120,635.13 : x
  2. Step 2: Convert to fraction form
    436,178.22/654,267.33 = 120,635.13/x
  3. Step 3: Cross multiply
    436,178.22x = 654,267.33 × 120,635.13
  4. Step 4: Simplify right side
    436,178.22x = 78,927,621,137.97
  5. Step 5: Solve for x
    x = 78,927,621,137.97/436,178.22
  6. Step 6: Final answer
    x = 180,952.69

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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.