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Finding the Fourth Proportional to 383,044.62, 528,596.62 and 210,959.31

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Solution

The fourth proportional to 383,044.62, 528,596.62 and 210,959.31 is: 291,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,044.62 : 528,596.62 = 210,959.31 : x
  2. Step 2: Convert to fraction form
    383,044.62/528,596.62 = 210,959.31/x
  3. Step 3: Cross multiply
    383,044.62x = 528,596.62 × 210,959.31
  4. Step 4: Simplify right side
    383,044.62x = 111,512,379,678.37
  5. Step 5: Solve for x
    x = 111,512,379,678.37/383,044.62
  6. Step 6: Final answer
    x = 291,121.12

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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.