Finding the Fourth Proportional to 271,963.30, 408,031.35 and 122,145.70
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Solution
The fourth proportional to 271,963.30, 408,031.35 and 122,145.70 is: 183,257.35
Step by Step Solution
- Step 1: Write the proportion equation
271,963.30 : 408,031.35 = 122,145.70 : x - Step 2: Convert to fraction form
271,963.30/408,031.35 = 122,145.70/x - Step 3: Cross multiply
271,963.30x = 408,031.35 × 122,145.70 - Step 4: Simplify right side
271,963.30x = 49,839,274,867.70 - Step 5: Solve for x
x = 49,839,274,867.70/271,963.30 - Step 6: Final answer
x = 183,257.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.