Finding the Fourth Proportional to 288,042.88, 397,435.50 and 167,114.08
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Solution
The fourth proportional to 288,042.88, 397,435.50 and 167,114.08 is: 230,580.49
Step by Step Solution
- Step 1: Write the proportion equation
288,042.88 : 397,435.50 = 167,114.08 : x - Step 2: Convert to fraction form
288,042.88/397,435.50 = 167,114.08/x - Step 3: Cross multiply
288,042.88x = 397,435.50 × 167,114.08 - Step 4: Simplify right side
288,042.88x = 66,417,067,941.84 - Step 5: Solve for x
x = 66,417,067,941.84/288,042.88 - Step 6: Final answer
x = 230,580.49
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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.