Finding the Fourth Proportional to 194,890.20, 292,116.60 and 110,690.70
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Solution
The fourth proportional to 194,890.20, 292,116.60 and 110,690.70 is: 165,911.84
Step by Step Solution
- Step 1: Write the proportion equation
194,890.20 : 292,116.60 = 110,690.70 : x - Step 2: Convert to fraction form
194,890.20/292,116.60 = 110,690.70/x - Step 3: Cross multiply
194,890.20x = 292,116.60 × 110,690.70 - Step 4: Simplify right side
194,890.20x = 32,334,590,935.62 - Step 5: Solve for x
x = 32,334,590,935.62/194,890.20 - Step 6: Final answer
x = 165,911.84
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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.