Finding the Fourth Proportional to 255,092.30, 382,644.76 and 121,986.62
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Solution
The fourth proportional to 255,092.30, 382,644.76 and 121,986.62 is: 182,982.95
Step by Step Solution
- Step 1: Write the proportion equation
255,092.30 : 382,644.76 = 121,986.62 : x - Step 2: Convert to fraction form
255,092.30/382,644.76 = 121,986.62/x - Step 3: Cross multiply
255,092.30x = 382,644.76 × 121,986.62 - Step 4: Simplify right side
255,092.30x = 46,677,540,933.11 - Step 5: Solve for x
x = 46,677,540,933.11/255,092.30 - Step 6: Final answer
x = 182,982.95
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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.