Finding the Fourth Proportional to 308,026,208.08, 461,728,233.24 and 193,091,309.92
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Solution
The fourth proportional to 308,026,208.08, 461,728,233.24 and 193,091,309.92 is: 289,441,959.95
Step by Step Solution
- Step 1: Write the proportion equation
308,026,208.08 : 461,728,233.24 = 193,091,309.92 : x - Step 2: Convert to fraction form
308,026,208.08/461,728,233.24 = 193,091,309.92/x - Step 3: Cross multiply
308,026,208.08x = 461,728,233.24 × 193,091,309.92 - Step 4: Simplify right side
308,026,208.08x = 89,155,709,383,358,880 - Step 5: Solve for x
x = 89,155,709,383,358,880/308,026,208.08 - Step 6: Final answer
x = 289,441,959.95
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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.