Finding the Fourth Proportional to 151,935.14, 209,659.74 and 83,951.40
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Solution
The fourth proportional to 151,935.14, 209,659.74 and 83,951.40 is: 115,846.99
Step by Step Solution
- Step 1: Write the proportion equation
151,935.14 : 209,659.74 = 83,951.40 : x - Step 2: Convert to fraction form
151,935.14/209,659.74 = 83,951.40/x - Step 3: Cross multiply
151,935.14x = 209,659.74 × 83,951.40 - Step 4: Simplify right side
151,935.14x = 17,601,228,696.64 - Step 5: Solve for x
x = 17,601,228,696.64/151,935.14 - Step 6: Final answer
x = 115,846.99
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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.