Home / 383,147.56-528,743.40-222,095.92

Finding the Fourth Proportional to 383,147.56, 528,743.40 and 222,095.92

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Solution

The fourth proportional to 383,147.56, 528,743.40 and 222,095.92 is: 306,492.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,147.56 : 528,743.40 = 222,095.92 : x
  2. Step 2: Convert to fraction form
    383,147.56/528,743.40 = 222,095.92/x
  3. Step 3: Cross multiply
    383,147.56x = 528,743.40 × 222,095.92
  4. Step 4: Simplify right side
    383,147.56x = 117,431,751,866.93
  5. Step 5: Solve for x
    x = 117,431,751,866.93/383,147.56
  6. Step 6: Final answer
    x = 306,492.23

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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.