Home / 321,964.38-482,964.30-97,319.12

Finding the Fourth Proportional to 321,964.38, 482,964.30 and 97,319.12

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Solution

The fourth proportional to 321,964.38, 482,964.30 and 97,319.12 is: 145,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,964.38 : 482,964.30 = 97,319.12 : x
  2. Step 2: Convert to fraction form
    321,964.38/482,964.30 = 97,319.12/x
  3. Step 3: Cross multiply
    321,964.38x = 482,964.30 × 97,319.12
  4. Step 4: Simplify right side
    321,964.38x = 47,001,658,252.59
  5. Step 5: Solve for x
    x = 47,001,658,252.59/321,964.38
  6. Step 6: Final answer
    x = 145,984.03

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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.