Home / 214,215.70-321,323.55-180,001.30

Finding the Fourth Proportional to 214,215.70, 321,323.55 and 180,001.30

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Solution

The fourth proportional to 214,215.70, 321,323.55 and 180,001.30 is: 270,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,215.70 : 321,323.55 = 180,001.30 : x
  2. Step 2: Convert to fraction form
    214,215.70/321,323.55 = 180,001.30/x
  3. Step 3: Cross multiply
    214,215.70x = 321,323.55 × 180,001.30
  4. Step 4: Simplify right side
    214,215.70x = 57,838,656,720.62
  5. Step 5: Solve for x
    x = 57,838,656,720.62/214,215.70
  6. Step 6: Final answer
    x = 270,001.95

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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.