Finding the Fourth Proportional to 231,992.16, 348,040.08 and 74,230.08
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Solution
The fourth proportional to 231,992.16, 348,040.08 and 74,230.08 is: 111,361.71
Step by Step Solution
- Step 1: Write the proportion equation
231,992.16 : 348,040.08 = 74,230.08 : x - Step 2: Convert to fraction form
231,992.16/348,040.08 = 74,230.08/x - Step 3: Cross multiply
231,992.16x = 348,040.08 × 74,230.08 - Step 4: Simplify right side
231,992.16x = 25,835,042,981.61 - Step 5: Solve for x
x = 25,835,042,981.61/231,992.16 - Step 6: Final answer
x = 111,361.71
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1.5x scale
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.