Finding the Fourth Proportional to 148,589.62, 205,067.82 and 84,915.07
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Solution
The fourth proportional to 148,589.62, 205,067.82 and 84,915.07 is: 117,190.88
Step by Step Solution
- Step 1: Write the proportion equation
148,589.62 : 205,067.82 = 84,915.07 : x - Step 2: Convert to fraction form
148,589.62/205,067.82 = 84,915.07/x - Step 3: Cross multiply
148,589.62x = 205,067.82 × 84,915.07 - Step 4: Simplify right side
148,589.62x = 17,413,348,290.05 - Step 5: Solve for x
x = 17,413,348,290.05/148,589.62 - Step 6: Final answer
x = 117,190.88
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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.