Home / 383,817.27-529,673.33-222,721.03

Finding the Fourth Proportional to 383,817.27, 529,673.33 and 222,721.03

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Solution

The fourth proportional to 383,817.27, 529,673.33 and 222,721.03 is: 307,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,817.27 : 529,673.33 = 222,721.03 : x
  2. Step 2: Convert to fraction form
    383,817.27/529,673.33 = 222,721.03/x
  3. Step 3: Cross multiply
    383,817.27x = 529,673.33 × 222,721.03
  4. Step 4: Simplify right side
    383,817.27x = 117,969,386,972.76
  5. Step 5: Solve for x
    x = 117,969,386,972.76/383,817.27
  6. Step 6: Final answer
    x = 307,358.20

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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.