Finding the Fourth Proportional to 288,161.53, 397,646.70 and 160,845.31
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Solution
The fourth proportional to 288,161.53, 397,646.70 and 160,845.31 is: 221,957.48
Step by Step Solution
- Step 1: Write the proportion equation
288,161.53 : 397,646.70 = 160,845.31 : x - Step 2: Convert to fraction form
288,161.53/397,646.70 = 160,845.31/x - Step 3: Cross multiply
288,161.53x = 397,646.70 × 160,845.31 - Step 4: Simplify right side
288,161.53x = 63,959,606,731.98 - Step 5: Solve for x
x = 63,959,606,731.98/288,161.53 - Step 6: Final answer
x = 221,957.48
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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.