Finding the Fourth Proportional to 288,105.94, 397,623.81 and 160,807.96
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Solution
The fourth proportional to 288,105.94, 397,623.81 and 160,807.96 is: 221,935.98
Step by Step Solution
- Step 1: Write the proportion equation
288,105.94 : 397,623.81 = 160,807.96 : x - Step 2: Convert to fraction form
288,105.94/397,623.81 = 160,807.96/x - Step 3: Cross multiply
288,105.94x = 397,623.81 × 160,807.96 - Step 4: Simplify right side
288,105.94x = 63,941,073,733.53 - Step 5: Solve for x
x = 63,941,073,733.53/288,105.94 - Step 6: Final answer
x = 221,935.98
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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.