Finding the Fourth Proportional to 207,545.70, 311,318.55 and 181,301.70
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Solution
The fourth proportional to 207,545.70, 311,318.55 and 181,301.70 is: 271,952.55
Step by Step Solution
- Step 1: Write the proportion equation
207,545.70 : 311,318.55 = 181,301.70 : x - Step 2: Convert to fraction form
207,545.70/311,318.55 = 181,301.70/x - Step 3: Cross multiply
207,545.70x = 311,318.55 × 181,301.70 - Step 4: Simplify right side
207,545.70x = 56,442,582,356.54 - Step 5: Solve for x
x = 56,442,582,356.54/207,545.70 - Step 6: Final answer
x = 271,952.55
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1.5x scale
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.