Finding the Fourth Proportional to 287,873.19, 397,157.99 and 166,946.67
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Solution
The fourth proportional to 287,873.19, 397,157.99 and 166,946.67 is: 230,324.34
Step by Step Solution
- Step 1: Write the proportion equation
287,873.19 : 397,157.99 = 166,946.67 : x - Step 2: Convert to fraction form
287,873.19/397,157.99 = 166,946.67/x - Step 3: Cross multiply
287,873.19x = 397,157.99 × 166,946.67 - Step 4: Simplify right side
287,873.19x = 66,304,203,059.66 - Step 5: Solve for x
x = 66,304,203,059.66/287,873.19 - Step 6: Final answer
x = 230,324.34
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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.