Finding the Fourth Proportional to 117,553.18, 176,359.61 and 54,418.81
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Solution
The fourth proportional to 117,553.18, 176,359.61 and 54,418.81 is: 81,642.03
Step by Step Solution
- Step 1: Write the proportion equation
117,553.18 : 176,359.61 = 54,418.81 : x - Step 2: Convert to fraction form
117,553.18/176,359.61 = 54,418.81/x - Step 3: Cross multiply
117,553.18x = 176,359.61 × 54,418.81 - Step 4: Simplify right side
117,553.18x = 9,597,280,108.26 - Step 5: Solve for x
x = 9,597,280,108.26/117,553.18 - Step 6: Final answer
x = 81,642.03
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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.