Home / 214,948.70-321,657.60-187,173.80

Finding the Fourth Proportional to 214,948.70, 321,657.60 and 187,173.80

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Solution

The fourth proportional to 214,948.70, 321,657.60 and 187,173.80 is: 280,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,948.70 : 321,657.60 = 187,173.80 : x
  2. Step 2: Convert to fraction form
    214,948.70/321,657.60 = 187,173.80/x
  3. Step 3: Cross multiply
    214,948.70x = 321,657.60 × 187,173.80
  4. Step 4: Simplify right side
    214,948.70x = 60,205,875,290.88
  5. Step 5: Solve for x
    x = 60,205,875,290.88/214,948.70
  6. Step 6: Final answer
    x = 280,094.16

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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.