Home / 214,314.08-321,405.48-148,179.20

Finding the Fourth Proportional to 214,314.08, 321,405.48 and 148,179.20

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Solution

The fourth proportional to 214,314.08, 321,405.48 and 148,179.20 is: 222,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,314.08 : 321,405.48 = 148,179.20 : x
  2. Step 2: Convert to fraction form
    214,314.08/321,405.48 = 148,179.20/x
  3. Step 3: Cross multiply
    214,314.08x = 321,405.48 × 148,179.20
  4. Step 4: Simplify right side
    214,314.08x = 47,625,605,294.99
  5. Step 5: Solve for x
    x = 47,625,605,294.99/214,314.08
  6. Step 6: Final answer
    x = 222,223.41

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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.