Home / 214,020.60-321,722.10-152,119.80

Finding the Fourth Proportional to 214,020.60, 321,722.10 and 152,119.80

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Solution

The fourth proportional to 214,020.60, 321,722.10 and 152,119.80 is: 228,670.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,020.60 : 321,722.10 = 152,119.80 : x
  2. Step 2: Convert to fraction form
    214,020.60/321,722.10 = 152,119.80/x
  3. Step 3: Cross multiply
    214,020.60x = 321,722.10 × 152,119.80
  4. Step 4: Simplify right side
    214,020.60x = 48,940,301,507.58
  5. Step 5: Solve for x
    x = 48,940,301,507.58/214,020.60
  6. Step 6: Final answer
    x = 228,670.99

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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.