Finding the Fourth Proportional to 251,640.75, 347,266.67 and 138,465.93
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Solution
The fourth proportional to 251,640.75, 347,266.67 and 138,465.93 is: 191,084.32
Step by Step Solution
- Step 1: Write the proportion equation
251,640.75 : 347,266.67 = 138,465.93 : x - Step 2: Convert to fraction form
251,640.75/347,266.67 = 138,465.93/x - Step 3: Cross multiply
251,640.75x = 347,266.67 × 138,465.93 - Step 4: Simplify right side
251,640.75x = 48,084,601,727.22 - Step 5: Solve for x
x = 48,084,601,727.22/251,640.75 - Step 6: Final answer
x = 191,084.32
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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.