Finding the Fourth Proportional to 330,286.92, 455,796.82 and 194,325.99
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Solution
The fourth proportional to 330,286.92, 455,796.82 and 194,325.99 is: 268,170.38
Step by Step Solution
- Step 1: Write the proportion equation
330,286.92 : 455,796.82 = 194,325.99 : x - Step 2: Convert to fraction form
330,286.92/455,796.82 = 194,325.99/x - Step 3: Cross multiply
330,286.92x = 455,796.82 × 194,325.99 - Step 4: Simplify right side
330,286.92x = 88,573,168,285.35 - Step 5: Solve for x
x = 88,573,168,285.35/330,286.92 - Step 6: Final answer
x = 268,170.38
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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.