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Finding the Fourth Proportional to 213,860.54, 295,201.33 and 123,252.68

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Solution

The fourth proportional to 213,860.54, 295,201.33 and 123,252.68 is: 170,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,860.54 : 295,201.33 = 123,252.68 : x
  2. Step 2: Convert to fraction form
    213,860.54/295,201.33 = 123,252.68/x
  3. Step 3: Cross multiply
    213,860.54x = 295,201.33 × 123,252.68
  4. Step 4: Simplify right side
    213,860.54x = 36,384,355,491.94
  5. Step 5: Solve for x
    x = 36,384,355,491.94/213,860.54
  6. Step 6: Final answer
    x = 170,131.22

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1.5x scale

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.