Finding the Fourth Proportional to 157,537.92, 217,393.68 and 89,545.44
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Solution
The fourth proportional to 157,537.92, 217,393.68 and 89,545.44 is: 123,567.79
Step by Step Solution
- Step 1: Write the proportion equation
157,537.92 : 217,393.68 = 89,545.44 : x - Step 2: Convert to fraction form
157,537.92/217,393.68 = 89,545.44/x - Step 3: Cross multiply
157,537.92x = 217,393.68 × 89,545.44 - Step 4: Simplify right side
157,537.92x = 19,466,612,728.82 - Step 5: Solve for x
x = 19,466,612,728.82/157,537.92 - Step 6: Final answer
x = 123,567.79
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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.