Home / 214,644.20-321,659.10-148,903.40

Finding the Fourth Proportional to 214,644.20, 321,659.10 and 148,903.40

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Solution

The fourth proportional to 214,644.20, 321,659.10 and 148,903.40 is: 223,141.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,644.20 : 321,659.10 = 148,903.40 : x
  2. Step 2: Convert to fraction form
    214,644.20/321,659.10 = 148,903.40/x
  3. Step 3: Cross multiply
    214,644.20x = 321,659.10 × 148,903.40
  4. Step 4: Simplify right side
    214,644.20x = 47,896,133,630.94
  5. Step 5: Solve for x
    x = 47,896,133,630.94/214,644.20
  6. Step 6: Final answer
    x = 223,141.99

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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.