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Finding the Fourth Proportional to 383,389.07, 575,083.74 and 102,906.32

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Solution

The fourth proportional to 383,389.07, 575,083.74 and 102,906.32 is: 154,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,389.07 : 575,083.74 = 102,906.32 : x
  2. Step 2: Convert to fraction form
    383,389.07/575,083.74 = 102,906.32/x
  3. Step 3: Cross multiply
    383,389.07x = 575,083.74 × 102,906.32
  4. Step 4: Simplify right side
    383,389.07x = 59,179,751,375.24
  5. Step 5: Solve for x
    x = 59,179,751,375.24/383,389.07
  6. Step 6: Final answer
    x = 154,359.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.