Finding the Fourth Proportional to 255,102.30, 382,659.75 and 121,996.62
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Solution
The fourth proportional to 255,102.30, 382,659.75 and 121,996.62 is: 182,997.94
Step by Step Solution
- Step 1: Write the proportion equation
255,102.30 : 382,659.75 = 121,996.62 : x - Step 2: Convert to fraction form
255,102.30/382,659.75 = 121,996.62/x - Step 3: Cross multiply
255,102.30x = 382,659.75 × 121,996.62 - Step 4: Simplify right side
255,102.30x = 46,683,196,110.05 - Step 5: Solve for x
x = 46,683,196,110.05/255,102.30 - Step 6: Final answer
x = 182,997.94
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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.