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Finding the Fourth Proportional to 400,246.69, 552,504.75 and 271,361.69

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Solution

The fourth proportional to 400,246.69, 552,504.75 and 271,361.69 is: 374,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,246.69 : 552,504.75 = 271,361.69 : x
  2. Step 2: Convert to fraction form
    400,246.69/552,504.75 = 271,361.69/x
  3. Step 3: Cross multiply
    400,246.69x = 552,504.75 × 271,361.69
  4. Step 4: Simplify right side
    400,246.69x = 149,928,622,693.03
  5. Step 5: Solve for x
    x = 149,928,622,693.03/400,246.69
  6. Step 6: Final answer
    x = 374,590.54

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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.