Finding the Fourth Proportional to 226,545.96, 312,515.64 and 135,858.36
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Solution
The fourth proportional to 226,545.96, 312,515.64 and 135,858.36 is: 187,413.90
Step by Step Solution
- Step 1: Write the proportion equation
226,545.96 : 312,515.64 = 135,858.36 : x - Step 2: Convert to fraction form
226,545.96/312,515.64 = 135,858.36/x - Step 3: Cross multiply
226,545.96x = 312,515.64 × 135,858.36 - Step 4: Simplify right side
226,545.96x = 42,457,862,324.75 - Step 5: Solve for x
x = 42,457,862,324.75/226,545.96 - Step 6: Final answer
x = 187,413.90
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1.5x scale
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.