Finding the Fourth Proportional to 322,670.21, 445,378.75 and 215,239.98
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Solution
The fourth proportional to 322,670.21, 445,378.75 and 215,239.98 is: 297,093.79
Step by Step Solution
- Step 1: Write the proportion equation
322,670.21 : 445,378.75 = 215,239.98 : x - Step 2: Convert to fraction form
322,670.21/445,378.75 = 215,239.98/x - Step 3: Cross multiply
322,670.21x = 445,378.75 × 215,239.98 - Step 4: Simplify right side
322,670.21x = 95,863,315,585.22 - Step 5: Solve for x
x = 95,863,315,585.22/322,670.21 - Step 6: Final answer
x = 297,093.79
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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.