Finding the Fourth Proportional to 288,141.24, 397,159.02 and 192,613.08
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Solution
The fourth proportional to 288,141.24, 397,159.02 and 192,613.08 is: 265,487.93
Step by Step Solution
- Step 1: Write the proportion equation
288,141.24 : 397,159.02 = 192,613.08 : x - Step 2: Convert to fraction form
288,141.24/397,159.02 = 192,613.08/x - Step 3: Cross multiply
288,141.24x = 397,159.02 × 192,613.08 - Step 4: Simplify right side
288,141.24x = 76,498,022,091.98 - Step 5: Solve for x
x = 76,498,022,091.98/288,141.24 - Step 6: Final answer
x = 265,487.93
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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.