Finding the Fourth Proportional to 656,745.66, 985,176.81 and 236,141.82
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Solution
The fourth proportional to 656,745.66, 985,176.81 and 236,141.82 is: 354,233.70
Step by Step Solution
- Step 1: Write the proportion equation
656,745.66 : 985,176.81 = 236,141.82 : x - Step 2: Convert to fraction form
656,745.66/985,176.81 = 236,141.82/x - Step 3: Cross multiply
656,745.66x = 985,176.81 × 236,141.82 - Step 4: Simplify right side
656,745.66x = 232,641,444,935.19 - Step 5: Solve for x
x = 232,641,444,935.19/656,745.66 - Step 6: Final answer
x = 354,233.70
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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.