Finding the Fourth Proportional to 145,945.26, 201,375.99 and 89,316.54
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Solution
The fourth proportional to 145,945.26, 201,375.99 and 89,316.54 is: 123,239.40
Step by Step Solution
- Step 1: Write the proportion equation
145,945.26 : 201,375.99 = 89,316.54 : x - Step 2: Convert to fraction form
145,945.26/201,375.99 = 89,316.54/x - Step 3: Cross multiply
145,945.26x = 201,375.99 × 89,316.54 - Step 4: Simplify right side
145,945.26x = 17,986,206,665.87 - Step 5: Solve for x
x = 17,986,206,665.87/145,945.26 - Step 6: Final answer
x = 123,239.40
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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.