Finding the Fourth Proportional to 146,202.77, 201,737.08 and 82,539.20
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Solution
The fourth proportional to 146,202.77, 201,737.08 and 82,539.20 is: 113,891.26
Step by Step Solution
- Step 1: Write the proportion equation
146,202.77 : 201,737.08 = 82,539.20 : x - Step 2: Convert to fraction form
146,202.77/201,737.08 = 82,539.20/x - Step 3: Cross multiply
146,202.77x = 201,737.08 × 82,539.20 - Step 4: Simplify right side
146,202.77x = 16,651,217,801.05 - Step 5: Solve for x
x = 16,651,217,801.05/146,202.77 - Step 6: Final answer
x = 113,891.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.