Finding the Fourth Proportional to 154,838.11, 232,201.39 and 53,608.68
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Solution
The fourth proportional to 154,838.11, 232,201.39 and 53,608.68 is: 80,393.71
Step by Step Solution
- Step 1: Write the proportion equation
154,838.11 : 232,201.39 = 53,608.68 : x - Step 2: Convert to fraction form
154,838.11/232,201.39 = 53,608.68/x - Step 3: Cross multiply
154,838.11x = 232,201.39 × 53,608.68 - Step 4: Simplify right side
154,838.11x = 12,448,009,442.67 - Step 5: Solve for x
x = 12,448,009,442.67/154,838.11 - Step 6: Final answer
x = 80,393.71
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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.