Finding the Fourth Proportional to 196,396.99, 271,036.74 and 115,827.91
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Solution
The fourth proportional to 196,396.99, 271,036.74 and 115,827.91 is: 159,847.76
Step by Step Solution
- Step 1: Write the proportion equation
196,396.99 : 271,036.74 = 115,827.91 : x - Step 2: Convert to fraction form
196,396.99/271,036.74 = 115,827.91/x - Step 3: Cross multiply
196,396.99x = 271,036.74 × 115,827.91 - Step 4: Simplify right side
196,396.99x = 31,393,619,127.41 - Step 5: Solve for x
x = 31,393,619,127.41/196,396.99 - Step 6: Final answer
x = 159,847.76
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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.