Home / 214,646.20-321,662.10-148,905.40

Finding the Fourth Proportional to 214,646.20, 321,662.10 and 148,905.40

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Solution

The fourth proportional to 214,646.20, 321,662.10 and 148,905.40 is: 223,144.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,646.20 : 321,662.10 = 148,905.40 : x
  2. Step 2: Convert to fraction form
    214,646.20/321,662.10 = 148,905.40/x
  3. Step 3: Cross multiply
    214,646.20x = 321,662.10 × 148,905.40
  4. Step 4: Simplify right side
    214,646.20x = 47,897,223,665.34
  5. Step 5: Solve for x
    x = 47,897,223,665.34/214,646.20
  6. Step 6: Final answer
    x = 223,144.99

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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.