Finding the Fourth Proportional to 220,618.08, 304,763.04 and 196,737.12
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Solution
The fourth proportional to 220,618.08, 304,763.04 and 196,737.12 is: 271,773.75
Step by Step Solution
- Step 1: Write the proportion equation
220,618.08 : 304,763.04 = 196,737.12 : x - Step 2: Convert to fraction form
220,618.08/304,763.04 = 196,737.12/x - Step 3: Cross multiply
220,618.08x = 304,763.04 × 196,737.12 - Step 4: Simplify right side
220,618.08x = 59,958,202,772.04 - Step 5: Solve for x
x = 59,958,202,772.04/220,618.08 - Step 6: Final answer
x = 271,773.75
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1.5x scale
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.