Finding the Fourth Proportional to 194,797.05, 291,974.10 and 82,407.12
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Solution
The fourth proportional to 194,797.05, 291,974.10 and 82,407.12 is: 123,516.99
Step by Step Solution
- Step 1: Write the proportion equation
194,797.05 : 291,974.10 = 82,407.12 : x - Step 2: Convert to fraction form
194,797.05/291,974.10 = 82,407.12/x - Step 3: Cross multiply
194,797.05x = 291,974.10 × 82,407.12 - Step 4: Simplify right side
194,797.05x = 24,060,744,695.59 - Step 5: Solve for x
x = 24,060,744,695.59/194,797.05 - Step 6: Final answer
x = 123,516.99
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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.