Home / 214,021.40-321,032.10-200,024.60

Finding the Fourth Proportional to 214,021.40, 321,032.10 and 200,024.60

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Solution

The fourth proportional to 214,021.40, 321,032.10 and 200,024.60 is: 300,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,021.40 : 321,032.10 = 200,024.60 : x
  2. Step 2: Convert to fraction form
    214,021.40/321,032.10 = 200,024.60/x
  3. Step 3: Cross multiply
    214,021.40x = 321,032.10 × 200,024.60
  4. Step 4: Simplify right side
    214,021.40x = 64,214,317,389.66
  5. Step 5: Solve for x
    x = 64,214,317,389.66/214,021.40
  6. Step 6: Final answer
    x = 300,036.90

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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.