Finding the Fourth Proportional to 263,569.92, 395,295.62 and 121,278.72
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Solution
The fourth proportional to 263,569.92, 395,295.62 and 121,278.72 is: 181,890.81
Step by Step Solution
- Step 1: Write the proportion equation
263,569.92 : 395,295.62 = 121,278.72 : x - Step 2: Convert to fraction form
263,569.92/395,295.62 = 121,278.72/x - Step 3: Cross multiply
263,569.92x = 395,295.62 × 121,278.72 - Step 4: Simplify right side
263,569.92x = 47,940,946,815.21 - Step 5: Solve for x
x = 47,940,946,815.21/263,569.92 - Step 6: Final answer
x = 181,890.81
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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.