Home / 214,664.60-321,996.90-179,931.80

Finding the Fourth Proportional to 214,664.60, 321,996.90 and 179,931.80

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Solution

The fourth proportional to 214,664.60, 321,996.90 and 179,931.80 is: 269,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,664.60 : 321,996.90 = 179,931.80 : x
  2. Step 2: Convert to fraction form
    214,664.60/321,996.90 = 179,931.80/x
  3. Step 3: Cross multiply
    214,664.60x = 321,996.90 × 179,931.80
  4. Step 4: Simplify right side
    214,664.60x = 57,937,481,811.42
  5. Step 5: Solve for x
    x = 57,937,481,811.42/214,664.60
  6. Step 6: Final answer
    x = 269,897.70

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1.5x scale

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.