Finding the Fourth Proportional to 207,545.18, 286,391.66 and 116,898.62
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Solution
The fourth proportional to 207,545.18, 286,391.66 and 116,898.62 is: 161,308.44
Step by Step Solution
- Step 1: Write the proportion equation
207,545.18 : 286,391.66 = 116,898.62 : x - Step 2: Convert to fraction form
207,545.18/286,391.66 = 116,898.62/x - Step 3: Cross multiply
207,545.18x = 286,391.66 × 116,898.62 - Step 4: Simplify right side
207,545.18x = 33,478,789,833.51 - Step 5: Solve for x
x = 33,478,789,833.51/207,545.18 - Step 6: Final answer
x = 161,308.44
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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.