Home / 214,226.79-321,385.13-64,478.04

Finding the Fourth Proportional to 214,226.79, 321,385.13 and 64,478.04

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Solution

The fourth proportional to 214,226.79, 321,385.13 and 64,478.04 is: 96,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,226.79 : 321,385.13 = 64,478.04 : x
  2. Step 2: Convert to fraction form
    214,226.79/321,385.13 = 64,478.04/x
  3. Step 3: Cross multiply
    214,226.79x = 321,385.13 × 64,478.04
  4. Step 4: Simplify right side
    214,226.79x = 20,722,283,267.55
  5. Step 5: Solve for x
    x = 20,722,283,267.55/214,226.79
  6. Step 6: Final answer
    x = 96,730.59

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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.