Home / 214,530.90-321,796.35-164,861.70

Finding the Fourth Proportional to 214,530.90, 321,796.35 and 164,861.70

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Solution

The fourth proportional to 214,530.90, 321,796.35 and 164,861.70 is: 247,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,530.90 : 321,796.35 = 164,861.70 : x
  2. Step 2: Convert to fraction form
    214,530.90/321,796.35 = 164,861.70/x
  3. Step 3: Cross multiply
    214,530.90x = 321,796.35 × 164,861.70
  4. Step 4: Simplify right side
    214,530.90x = 53,051,893,314.80
  5. Step 5: Solve for x
    x = 53,051,893,314.80/214,530.90
  6. Step 6: Final answer
    x = 247,292.55

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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.