Finding the Fourth Proportional to 757,545.48, 1,136,473.74 and 225,019.08
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Solution
The fourth proportional to 757,545.48, 1,136,473.74 and 225,019.08 is: 337,574.82
Step by Step Solution
- Step 1: Write the proportion equation
757,545.48 : 1,136,473.74 = 225,019.08 : x - Step 2: Convert to fraction form
757,545.48/1,136,473.74 = 225,019.08/x - Step 3: Cross multiply
757,545.48x = 1,136,473.74 × 225,019.08 - Step 4: Simplify right side
757,545.48x = 255,728,275,418.96 - Step 5: Solve for x
x = 255,728,275,418.96/757,545.48 - Step 6: Final answer
x = 337,574.82
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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.