Finding the Fourth Proportional to 263,513.75, 363,649.09 and 142,655.03
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Solution
The fourth proportional to 263,513.75, 363,649.09 and 142,655.03 is: 196,864.00
Step by Step Solution
- Step 1: Write the proportion equation
263,513.75 : 363,649.09 = 142,655.03 : x - Step 2: Convert to fraction form
263,513.75/363,649.09 = 142,655.03/x - Step 3: Cross multiply
263,513.75x = 363,649.09 × 142,655.03 - Step 4: Simplify right side
263,513.75x = 51,876,371,032.22 - Step 5: Solve for x
x = 51,876,371,032.22/263,513.75 - Step 6: Final answer
x = 196,864.00
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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.