Finding the Fourth Proportional to 263,569.93, 395,295.62 and 121,278.71
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Solution
The fourth proportional to 263,569.93, 395,295.62 and 121,278.71 is: 181,890.79
Step by Step Solution
- Step 1: Write the proportion equation
263,569.93 : 395,295.62 = 121,278.71 : x - Step 2: Convert to fraction form
263,569.93/395,295.62 = 121,278.71/x - Step 3: Cross multiply
263,569.93x = 395,295.62 × 121,278.71 - Step 4: Simplify right side
263,569.93x = 47,940,942,862.25 - Step 5: Solve for x
x = 47,940,942,862.25/263,569.93 - Step 6: Final answer
x = 181,890.79
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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.