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Finding the Fourth Proportional to 383,208.62, 528,802.38 and 222,034.92

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Solution

The fourth proportional to 383,208.62, 528,802.38 and 222,034.92 is: 306,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,208.62 : 528,802.38 = 222,034.92 : x
  2. Step 2: Convert to fraction form
    383,208.62/528,802.38 = 222,034.92/x
  3. Step 3: Cross multiply
    383,208.62x = 528,802.38 × 222,034.92
  4. Step 4: Simplify right side
    383,208.62x = 117,412,594,139.11
  5. Step 5: Solve for x
    x = 117,412,594,139.11/383,208.62
  6. Step 6: Final answer
    x = 306,393.41

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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.