Finding the Fourth Proportional to 194,385.40, 291,617.58 and 74,433.80
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Solution
The fourth proportional to 194,385.40, 291,617.58 and 74,433.80 is: 111,665.82
Step by Step Solution
- Step 1: Write the proportion equation
194,385.40 : 291,617.58 = 74,433.80 : x - Step 2: Convert to fraction form
194,385.40/291,617.58 = 74,433.80/x - Step 3: Cross multiply
194,385.40x = 291,617.58 × 74,433.80 - Step 4: Simplify right side
194,385.40x = 21,706,204,626.20 - Step 5: Solve for x
x = 21,706,204,626.20/194,385.40 - Step 6: Final answer
x = 111,665.82
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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.