Finding the Fourth Proportional to 194,695.30, 268,801.13 and 149,286.04
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Solution
The fourth proportional to 194,695.30, 268,801.13 and 149,286.04 is: 206,107.99
Step by Step Solution
- Step 1: Write the proportion equation
194,695.30 : 268,801.13 = 149,286.04 : x - Step 2: Convert to fraction form
194,695.30/268,801.13 = 149,286.04/x - Step 3: Cross multiply
194,695.30x = 268,801.13 × 149,286.04 - Step 4: Simplify right side
194,695.30x = 40,128,255,946.44 - Step 5: Solve for x
x = 40,128,255,946.44/194,695.30 - Step 6: Final answer
x = 206,107.99
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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.