Finding the Fourth Proportional to 132,245.64, 182,497.09 and 74,883.47
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Solution
The fourth proportional to 132,245.64, 182,497.09 and 74,883.47 is: 103,338.12
Step by Step Solution
- Step 1: Write the proportion equation
132,245.64 : 182,497.09 = 74,883.47 : x - Step 2: Convert to fraction form
132,245.64/182,497.09 = 74,883.47/x - Step 3: Cross multiply
132,245.64x = 182,497.09 × 74,883.47 - Step 4: Simplify right side
132,245.64x = 13,666,015,364.10 - Step 5: Solve for x
x = 13,666,015,364.10/132,245.64 - Step 6: Final answer
x = 103,338.12
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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.