Home / 214,238.80-321,356.58-64,478.44

Finding the Fourth Proportional to 214,238.80, 321,356.58 and 64,478.44

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Solution

The fourth proportional to 214,238.80, 321,356.58 and 64,478.44 is: 96,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,238.80 : 321,356.58 = 64,478.44 : x
  2. Step 2: Convert to fraction form
    214,238.80/321,356.58 = 64,478.44/x
  3. Step 3: Cross multiply
    214,238.80x = 321,356.58 × 64,478.44
  4. Step 4: Simplify right side
    214,238.80x = 20,720,570,962.14
  5. Step 5: Solve for x
    x = 20,720,570,962.14/214,238.80
  6. Step 6: Final answer
    x = 96,717.17

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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.