Finding the Fourth Proportional to 235,912.50, 325,572.21 and 135,316.98
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Solution
The fourth proportional to 235,912.50, 325,572.21 and 135,316.98 is: 186,744.87
Step by Step Solution
- Step 1: Write the proportion equation
235,912.50 : 325,572.21 = 135,316.98 : x - Step 2: Convert to fraction form
235,912.50/325,572.21 = 135,316.98/x - Step 3: Cross multiply
235,912.50x = 325,572.21 × 135,316.98 - Step 4: Simplify right side
235,912.50x = 44,055,448,229.13 - Step 5: Solve for x
x = 44,055,448,229.13/235,912.50 - Step 6: Final answer
x = 186,744.87
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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.