Finding the Fourth Proportional to 223,858.49, 308,917.60 and 133,193.70
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Solution
The fourth proportional to 223,858.49, 308,917.60 and 133,193.70 is: 183,803.07
Step by Step Solution
- Step 1: Write the proportion equation
223,858.49 : 308,917.60 = 133,193.70 : x - Step 2: Convert to fraction form
223,858.49/308,917.60 = 133,193.70/x - Step 3: Cross multiply
223,858.49x = 308,917.60 × 133,193.70 - Step 4: Simplify right side
223,858.49x = 41,145,877,806.14 - Step 5: Solve for x
x = 41,145,877,806.14/223,858.49 - Step 6: Final answer
x = 183,803.07
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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.