Home / 321,116.12-481,973.08-163,462.56

Finding the Fourth Proportional to 321,116.12, 481,973.08 and 163,462.56

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Solution

The fourth proportional to 321,116.12, 481,973.08 and 163,462.56 is: 245,345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,116.12 : 481,973.08 = 163,462.56 : x
  2. Step 2: Convert to fraction form
    321,116.12/481,973.08 = 163,462.56/x
  3. Step 3: Cross multiply
    321,116.12x = 481,973.08 × 163,462.56
  4. Step 4: Simplify right side
    321,116.12x = 78,784,553,507.88
  5. Step 5: Solve for x
    x = 78,784,553,507.88/321,116.12
  6. Step 6: Final answer
    x = 245,345.99

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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.