Finding the Fourth Proportional to 117,713.20, 176,278.20 and 94,385.20
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Solution
The fourth proportional to 117,713.20, 176,278.20 and 94,385.20 is: 141,343.99
Step by Step Solution
- Step 1: Write the proportion equation
117,713.20 : 176,278.20 = 94,385.20 : x - Step 2: Convert to fraction form
117,713.20/176,278.20 = 94,385.20/x - Step 3: Cross multiply
117,713.20x = 176,278.20 × 94,385.20 - Step 4: Simplify right side
117,713.20x = 16,638,053,162.64 - Step 5: Solve for x
x = 16,638,053,162.64/117,713.20 - Step 6: Final answer
x = 141,343.99
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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.