Finding the Fourth Proportional to 255,107.26, 382,412.76 and 121,952.98
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Solution
The fourth proportional to 255,107.26, 382,412.76 and 121,952.98 is: 182,810.85
Step by Step Solution
- Step 1: Write the proportion equation
255,107.26 : 382,412.76 = 121,952.98 : x - Step 2: Convert to fraction form
255,107.26/382,412.76 = 121,952.98/x - Step 3: Cross multiply
255,107.26x = 382,412.76 × 121,952.98 - Step 4: Simplify right side
255,107.26x = 46,636,375,672.02 - Step 5: Solve for x
x = 46,636,375,672.02/255,107.26 - Step 6: Final answer
x = 182,810.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.