Finding the Fourth Proportional to 287,884.80, 397,152.54 and 166,955.99
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Solution
The fourth proportional to 287,884.80, 397,152.54 and 166,955.99 is: 230,324.75
Step by Step Solution
- Step 1: Write the proportion equation
287,884.80 : 397,152.54 = 166,955.99 : x - Step 2: Convert to fraction form
287,884.80/397,152.54 = 166,955.99/x - Step 3: Cross multiply
287,884.80x = 397,152.54 × 166,955.99 - Step 4: Simplify right side
287,884.80x = 66,306,993,510.95 - Step 5: Solve for x
x = 66,306,993,510.95/287,884.80 - Step 6: Final answer
x = 230,324.75
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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.