Finding the Fourth Proportional to 268,974.09, 371,186.81 and 148,119.66
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Solution
The fourth proportional to 268,974.09, 371,186.81 and 148,119.66 is: 204,406.54
Step by Step Solution
- Step 1: Write the proportion equation
268,974.09 : 371,186.81 = 148,119.66 : x - Step 2: Convert to fraction form
268,974.09/371,186.81 = 148,119.66/x - Step 3: Cross multiply
268,974.09x = 371,186.81 × 148,119.66 - Step 4: Simplify right side
268,974.09x = 54,980,064,093.68 - Step 5: Solve for x
x = 54,980,064,093.68/268,974.09 - Step 6: Final answer
x = 204,406.54
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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.