Finding the Fourth Proportional to 214,121.09, 295,625.76 and 137,674.52
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Solution
The fourth proportional to 214,121.09, 295,625.76 and 137,674.52 is: 190,079.99
Step by Step Solution
- Step 1: Write the proportion equation
214,121.09 : 295,625.76 = 137,674.52 : x - Step 2: Convert to fraction form
214,121.09/295,625.76 = 137,674.52/x - Step 3: Cross multiply
214,121.09x = 295,625.76 × 137,674.52 - Step 4: Simplify right side
214,121.09x = 40,700,134,607.64 - Step 5: Solve for x
x = 40,700,134,607.64/214,121.09 - Step 6: Final answer
x = 190,079.99
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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.