Home / 214,205.40-321,000.30-120,513.24

Finding the Fourth Proportional to 214,205.40, 321,000.30 and 120,513.24

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Solution

The fourth proportional to 214,205.40, 321,000.30 and 120,513.24 is: 180,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,205.40 : 321,000.30 = 120,513.24 : x
  2. Step 2: Convert to fraction form
    214,205.40/321,000.30 = 120,513.24/x
  3. Step 3: Cross multiply
    214,205.40x = 321,000.30 × 120,513.24
  4. Step 4: Simplify right side
    214,205.40x = 38,684,786,193.97
  5. Step 5: Solve for x
    x = 38,684,786,193.97/214,205.40
  6. Step 6: Final answer
    x = 180,596.69

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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.