Finding the Fourth Proportional to 151,880.24, 209,597.88 and 84,812.24
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Solution
The fourth proportional to 151,880.24, 209,597.88 and 84,812.24 is: 117,042.65
Step by Step Solution
- Step 1: Write the proportion equation
151,880.24 : 209,597.88 = 84,812.24 : x - Step 2: Convert to fraction form
151,880.24/209,597.88 = 84,812.24/x - Step 3: Cross multiply
151,880.24x = 209,597.88 × 84,812.24 - Step 4: Simplify right side
151,880.24x = 17,776,465,702.05 - Step 5: Solve for x
x = 17,776,465,702.05/151,880.24 - Step 6: Final answer
x = 117,042.65
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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.