Finding the Fourth Proportional to 117,420.73, 176,138.20 and 33,187.19
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Solution
The fourth proportional to 117,420.73, 176,138.20 and 33,187.19 is: 49,782.80
Step by Step Solution
- Step 1: Write the proportion equation
117,420.73 : 176,138.20 = 33,187.19 : x - Step 2: Convert to fraction form
117,420.73/176,138.20 = 33,187.19/x - Step 3: Cross multiply
117,420.73x = 176,138.20 × 33,187.19 - Step 4: Simplify right side
117,420.73x = 5,845,532,579.95 - Step 5: Solve for x
x = 5,845,532,579.95/117,420.73 - Step 6: Final answer
x = 49,782.80
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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.