Finding the Fourth Proportional to 151,273.08, 208,754.82 and 84,205.08
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Solution
The fourth proportional to 151,273.08, 208,754.82 and 84,205.08 is: 116,201.88
Step by Step Solution
- Step 1: Write the proportion equation
151,273.08 : 208,754.82 = 84,205.08 : x - Step 2: Convert to fraction form
151,273.08/208,754.82 = 84,205.08/x - Step 3: Cross multiply
151,273.08x = 208,754.82 × 84,205.08 - Step 4: Simplify right side
151,273.08x = 17,578,216,318.49 - Step 5: Solve for x
x = 17,578,216,318.49/151,273.08 - Step 6: Final answer
x = 116,201.88
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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.