Home / 214,396.04-321,640.50-64,623.80

Finding the Fourth Proportional to 214,396.04, 321,640.50 and 64,623.80

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Solution

The fourth proportional to 214,396.04, 321,640.50 and 64,623.80 is: 96,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,396.04 : 321,640.50 = 64,623.80 : x
  2. Step 2: Convert to fraction form
    214,396.04/321,640.50 = 64,623.80/x
  3. Step 3: Cross multiply
    214,396.04x = 321,640.50 × 64,623.80
  4. Step 4: Simplify right side
    214,396.04x = 20,785,632,390.34
  5. Step 5: Solve for x
    x = 20,785,632,390.34/214,396.04
  6. Step 6: Final answer
    x = 96,949.70

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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.