Finding the Fourth Proportional to 208,585.68, 287,845.56 and 113,092.08
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Solution
The fourth proportional to 208,585.68, 287,845.56 and 113,092.08 is: 156,065.62
Step by Step Solution
- Step 1: Write the proportion equation
208,585.68 : 287,845.56 = 113,092.08 : x - Step 2: Convert to fraction form
208,585.68/287,845.56 = 113,092.08/x - Step 3: Cross multiply
208,585.68x = 287,845.56 × 113,092.08 - Step 4: Simplify right side
208,585.68x = 32,553,053,099.16 - Step 5: Solve for x
x = 32,553,053,099.16/208,585.68 - Step 6: Final answer
x = 156,065.62
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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.