Finding the Fourth Proportional to 438,286.68, 657,453.24 and 138,799.08
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Solution
The fourth proportional to 438,286.68, 657,453.24 and 138,799.08 is: 208,205.97
Step by Step Solution
- Step 1: Write the proportion equation
438,286.68 : 657,453.24 = 138,799.08 : x - Step 2: Convert to fraction form
438,286.68/657,453.24 = 138,799.08/x - Step 3: Cross multiply
438,286.68x = 657,453.24 × 138,799.08 - Step 4: Simplify right side
438,286.68x = 91,253,904,855.02 - Step 5: Solve for x
x = 91,253,904,855.02/438,286.68 - Step 6: Final answer
x = 208,205.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.