Home / 383,961.79-529,972.66-222,868.74

Finding the Fourth Proportional to 383,961.79, 529,972.66 and 222,868.74

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Solution

The fourth proportional to 383,961.79, 529,972.66 and 222,868.74 is: 307,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,961.79 : 529,972.66 = 222,868.74 : x
  2. Step 2: Convert to fraction form
    383,961.79/529,972.66 = 222,868.74/x
  3. Step 3: Cross multiply
    383,961.79x = 529,972.66 × 222,868.74
  4. Step 4: Simplify right side
    383,961.79x = 118,114,338,968.65
  5. Step 5: Solve for x
    x = 118,114,338,968.65/383,961.79
  6. Step 6: Final answer
    x = 307,620.03

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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.