Finding the Fourth Proportional to 189,327.97, 261,272.25 and 103,286.96
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Solution
The fourth proportional to 189,327.97, 261,272.25 and 103,286.96 is: 142,535.80
Step by Step Solution
- Step 1: Write the proportion equation
189,327.97 : 261,272.25 = 103,286.96 : x - Step 2: Convert to fraction form
189,327.97/261,272.25 = 103,286.96/x - Step 3: Cross multiply
189,327.97x = 261,272.25 × 103,286.96 - Step 4: Simplify right side
189,327.97x = 26,986,014,612.06 - Step 5: Solve for x
x = 26,986,014,612.06/189,327.97 - Step 6: Final answer
x = 142,535.80
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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.