Home / 436,184.19-654,225.66-120,665.70

Finding the Fourth Proportional to 436,184.19, 654,225.66 and 120,665.70

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Solution

The fourth proportional to 436,184.19, 654,225.66 and 120,665.70 is: 180,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,184.19 : 654,225.66 = 120,665.70 : x
  2. Step 2: Convert to fraction form
    436,184.19/654,225.66 = 120,665.70/x
  3. Step 3: Cross multiply
    436,184.19x = 654,225.66 × 120,665.70
  4. Step 4: Simplify right side
    436,184.19x = 78,942,597,221.86
  5. Step 5: Solve for x
    x = 78,942,597,221.86/436,184.19
  6. Step 6: Final answer
    x = 180,984.55

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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.