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Finding the Fourth Proportional to 274,109.70, 411,114.24 and 124,313.97

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Solution

The fourth proportional to 274,109.70, 411,114.24 and 124,313.97 is: 186,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,109.70 : 411,114.24 = 124,313.97 : x
  2. Step 2: Convert to fraction form
    274,109.70/411,114.24 = 124,313.97/x
  3. Step 3: Cross multiply
    274,109.70x = 411,114.24 × 124,313.97
  4. Step 4: Simplify right side
    274,109.70x = 51,107,243,297.93
  5. Step 5: Solve for x
    x = 51,107,243,297.93/274,109.70
  6. Step 6: Final answer
    x = 186,448.14

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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.