Home / 321,819.36-482,704.74-132,228.06

Finding the Fourth Proportional to 321,819.36, 482,704.74 and 132,228.06

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Solution

The fourth proportional to 321,819.36, 482,704.74 and 132,228.06 is: 198,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,819.36 : 482,704.74 = 132,228.06 : x
  2. Step 2: Convert to fraction form
    321,819.36/482,704.74 = 132,228.06/x
  3. Step 3: Cross multiply
    321,819.36x = 482,704.74 × 132,228.06
  4. Step 4: Simplify right side
    321,819.36x = 63,827,111,323.00
  5. Step 5: Solve for x
    x = 63,827,111,323.00/321,819.36
  6. Step 6: Final answer
    x = 198,332.11

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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.