Finding the Fourth Proportional to 263,161.88, 363,141.32 and 155,713.08
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Solution
The fourth proportional to 263,161.88, 363,141.32 and 155,713.08 is: 214,870.99
Step by Step Solution
- Step 1: Write the proportion equation
263,161.88 : 363,141.32 = 155,713.08 : x - Step 2: Convert to fraction form
263,161.88/363,141.32 = 155,713.08/x - Step 3: Cross multiply
263,161.88x = 363,141.32 × 155,713.08 - Step 4: Simplify right side
263,161.88x = 56,545,852,633.90 - Step 5: Solve for x
x = 56,545,852,633.90/263,161.88 - Step 6: Final answer
x = 214,870.99
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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.