Finding the Fourth Proportional to 194,817.42, 292,242.76 and 68,446.68
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Solution
The fourth proportional to 194,817.42, 292,242.76 and 68,446.68 is: 102,675.86
Step by Step Solution
- Step 1: Write the proportion equation
194,817.42 : 292,242.76 = 68,446.68 : x - Step 2: Convert to fraction form
194,817.42/292,242.76 = 68,446.68/x - Step 3: Cross multiply
194,817.42x = 292,242.76 × 68,446.68 - Step 4: Simplify right side
194,817.42x = 20,003,046,676.04 - Step 5: Solve for x
x = 20,003,046,676.04/194,817.42 - Step 6: Final answer
x = 102,675.86
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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.