Finding the Fourth Proportional to 327,679.58, 491,637.71 and 114,478.97
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Solution
The fourth proportional to 327,679.58, 491,637.71 and 114,478.97 is: 171,759.80
Step by Step Solution
- Step 1: Write the proportion equation
327,679.58 : 491,637.71 = 114,478.97 : x - Step 2: Convert to fraction form
327,679.58/491,637.71 = 114,478.97/x - Step 3: Cross multiply
327,679.58x = 491,637.71 × 114,478.97 - Step 4: Simplify right side
327,679.58x = 56,282,179,408.42 - Step 5: Solve for x
x = 56,282,179,408.42/327,679.58 - Step 6: Final answer
x = 171,759.80
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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.