Home / 321,723.81-482,589.32-97,086.38

Finding the Fourth Proportional to 321,723.81, 482,589.32 and 97,086.38

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Solution

The fourth proportional to 321,723.81, 482,589.32 and 97,086.38 is: 145,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,723.81 : 482,589.32 = 97,086.38 : x
  2. Step 2: Convert to fraction form
    321,723.81/482,589.32 = 97,086.38/x
  3. Step 3: Cross multiply
    321,723.81x = 482,589.32 × 97,086.38
  4. Step 4: Simplify right side
    321,723.81x = 46,852,847,207.08
  5. Step 5: Solve for x
    x = 46,852,847,207.08/321,723.81
  6. Step 6: Final answer
    x = 145,630.65

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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.