Finding the Fourth Proportional to 205,944.08, 308,961.40 and 117,239.12
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Solution
The fourth proportional to 205,944.08, 308,961.40 and 117,239.12 is: 175,884.46
Step by Step Solution
- Step 1: Write the proportion equation
205,944.08 : 308,961.40 = 117,239.12 : x - Step 2: Convert to fraction form
205,944.08/308,961.40 = 117,239.12/x - Step 3: Cross multiply
205,944.08x = 308,961.40 × 117,239.12 - Step 4: Simplify right side
205,944.08x = 36,222,362,649.97 - Step 5: Solve for x
x = 36,222,362,649.97/205,944.08 - Step 6: Final answer
x = 175,884.46
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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.