Home / 214,479.22-321,422.91-161,830.30

Finding the Fourth Proportional to 214,479.22, 321,422.91 and 161,830.30

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Solution

The fourth proportional to 214,479.22, 321,422.91 and 161,830.30 is: 242,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,479.22 : 321,422.91 = 161,830.30 : x
  2. Step 2: Convert to fraction form
    214,479.22/321,422.91 = 161,830.30/x
  3. Step 3: Cross multiply
    214,479.22x = 321,422.91 × 161,830.30
  4. Step 4: Simplify right side
    214,479.22x = 52,015,965,952.17
  5. Step 5: Solve for x
    x = 52,015,965,952.17/214,479.22
  6. Step 6: Final answer
    x = 242,522.17

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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.