Home / 221,318.10-331,995.44-93,271.43

Finding the Fourth Proportional to 221,318.10, 331,995.44 and 93,271.43

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Solution

The fourth proportional to 221,318.10, 331,995.44 and 93,271.43 is: 139,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,318.10 : 331,995.44 = 93,271.43 : x
  2. Step 2: Convert to fraction form
    221,318.10/331,995.44 = 93,271.43/x
  3. Step 3: Cross multiply
    221,318.10x = 331,995.44 × 93,271.43
  4. Step 4: Simplify right side
    221,318.10x = 30,965,687,315.94
  5. Step 5: Solve for x
    x = 30,965,687,315.94/221,318.10
  6. Step 6: Final answer
    x = 139,914.84

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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.