Finding the Fourth Proportional to 194,842.80, 292,102.20 and 82,609.20
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Solution
The fourth proportional to 194,842.80, 292,102.20 and 82,609.20 is: 123,845.12
Step by Step Solution
- Step 1: Write the proportion equation
194,842.80 : 292,102.20 = 82,609.20 : x - Step 2: Convert to fraction form
194,842.80/292,102.20 = 82,609.20/x - Step 3: Cross multiply
194,842.80x = 292,102.20 × 82,609.20 - Step 4: Simplify right side
194,842.80x = 24,130,329,060.24 - Step 5: Solve for x
x = 24,130,329,060.24/194,842.80 - Step 6: Final answer
x = 123,845.12
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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.