Finding the Fourth Proportional to 288,114.44, 397,619.91 and 159,077.79
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Solution
The fourth proportional to 288,114.44, 397,619.91 and 159,077.79 is: 219,539.49
Step by Step Solution
- Step 1: Write the proportion equation
288,114.44 : 397,619.91 = 159,077.79 : x - Step 2: Convert to fraction form
288,114.44/397,619.91 = 159,077.79/x - Step 3: Cross multiply
288,114.44x = 397,619.91 × 159,077.79 - Step 4: Simplify right side
288,114.44x = 63,252,496,542.80 - Step 5: Solve for x
x = 63,252,496,542.80/288,114.44 - Step 6: Final answer
x = 219,539.49
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1.5x scale
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.