Finding the Fourth Proportional to 288,163.22, 397,669.35 and 160,838.82
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Solution
The fourth proportional to 288,163.22, 397,669.35 and 160,838.82 is: 221,959.87
Step by Step Solution
- Step 1: Write the proportion equation
288,163.22 : 397,669.35 = 160,838.82 : x - Step 2: Convert to fraction form
288,163.22/397,669.35 = 160,838.82/x - Step 3: Cross multiply
288,163.22x = 397,669.35 × 160,838.82 - Step 4: Simplify right side
288,163.22x = 63,960,669,004.17 - Step 5: Solve for x
x = 63,960,669,004.17/288,163.22 - Step 6: Final answer
x = 221,959.87
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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.