Finding the Fourth Proportional to 209,092.88, 288,484.62 and 118,434.44
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Solution
The fourth proportional to 209,092.88, 288,484.62 and 118,434.44 is: 163,403.53
Step by Step Solution
- Step 1: Write the proportion equation
209,092.88 : 288,484.62 = 118,434.44 : x - Step 2: Convert to fraction form
209,092.88/288,484.62 = 118,434.44/x - Step 3: Cross multiply
209,092.88x = 288,484.62 × 118,434.44 - Step 4: Simplify right side
209,092.88x = 34,166,514,418.31 - Step 5: Solve for x
x = 34,166,514,418.31/209,092.88 - Step 6: Final answer
x = 163,403.53
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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.