Finding the Fourth Proportional to 326,889.96, 451,153.62 and 183,661.08
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Solution
The fourth proportional to 326,889.96, 451,153.62 and 183,661.08 is: 253,477.84
Step by Step Solution
- Step 1: Write the proportion equation
326,889.96 : 451,153.62 = 183,661.08 : x - Step 2: Convert to fraction form
326,889.96/451,153.62 = 183,661.08/x - Step 3: Cross multiply
326,889.96x = 451,153.62 × 183,661.08 - Step 4: Simplify right side
326,889.96x = 82,859,361,095.11 - Step 5: Solve for x
x = 82,859,361,095.11/326,889.96 - Step 6: Final answer
x = 253,477.84
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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.