Home / 383,214.42-528,849.09-222,069.78

Finding the Fourth Proportional to 383,214.42, 528,849.09 and 222,069.78

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Solution

The fourth proportional to 383,214.42, 528,849.09 and 222,069.78 is: 306,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,214.42 : 528,849.09 = 222,069.78 : x
  2. Step 2: Convert to fraction form
    383,214.42/528,849.09 = 222,069.78/x
  3. Step 3: Cross multiply
    383,214.42x = 528,849.09 × 222,069.78
  4. Step 4: Simplify right side
    383,214.42x = 117,441,401,069.50
  5. Step 5: Solve for x
    x = 117,441,401,069.50/383,214.42
  6. Step 6: Final answer
    x = 306,463.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.