Finding the Fourth Proportional to 79,184.05, 118,755.30 and 29,278.42
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Solution
The fourth proportional to 79,184.05, 118,755.30 and 29,278.42 is: 43,909.95
Step by Step Solution
- Step 1: Write the proportion equation
79,184.05 : 118,755.30 = 29,278.42 : x - Step 2: Convert to fraction form
79,184.05/118,755.30 = 29,278.42/x - Step 3: Cross multiply
79,184.05x = 118,755.30 × 29,278.42 - Step 4: Simplify right side
79,184.05x = 3,476,967,550.63 - Step 5: Solve for x
x = 3,476,967,550.63/79,184.05 - Step 6: Final answer
x = 43,909.95
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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.