Finding the Fourth Proportional to 288,268.26, 397,779.84 and 167,385.90
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Solution
The fourth proportional to 288,268.26, 397,779.84 and 167,385.90 is: 230,974.91
Step by Step Solution
- Step 1: Write the proportion equation
288,268.26 : 397,779.84 = 167,385.90 : x - Step 2: Convert to fraction form
288,268.26/397,779.84 = 167,385.90/x - Step 3: Cross multiply
288,268.26x = 397,779.84 × 167,385.90 - Step 4: Simplify right side
288,268.26x = 66,582,736,520.26 - Step 5: Solve for x
x = 66,582,736,520.26/288,268.26 - Step 6: Final answer
x = 230,974.91
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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.