Home / 214,241.80-321,708.30-144,430.60

Finding the Fourth Proportional to 214,241.80, 321,708.30 and 144,430.60

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Solution

The fourth proportional to 214,241.80, 321,708.30 and 144,430.60 is: 216,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,241.80 : 321,708.30 = 144,430.60 : x
  2. Step 2: Convert to fraction form
    214,241.80/321,708.30 = 144,430.60/x
  3. Step 3: Cross multiply
    214,241.80x = 321,708.30 × 144,430.60
  4. Step 4: Simplify right side
    214,241.80x = 46,464,522,793.98
  5. Step 5: Solve for x
    x = 46,464,522,793.98/214,241.80
  6. Step 6: Final answer
    x = 216,878.89

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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.