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Finding the Fourth Proportional to 274,406.54, 378,562.41 and 193,903.07

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Solution

The fourth proportional to 274,406.54, 378,562.41 and 193,903.07 is: 267,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,406.54 : 378,562.41 = 193,903.07 : x
  2. Step 2: Convert to fraction form
    274,406.54/378,562.41 = 193,903.07/x
  3. Step 3: Cross multiply
    274,406.54x = 378,562.41 × 193,903.07
  4. Step 4: Simplify right side
    274,406.54x = 73,404,411,592.79
  5. Step 5: Solve for x
    x = 73,404,411,592.79/274,406.54
  6. Step 6: Final answer
    x = 267,502.42

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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.