Finding the Fourth Proportional to 146,991.68, 220,528.68 and 47,157.68
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Solution
The fourth proportional to 146,991.68, 220,528.68 and 47,157.68 is: 70,749.72
Step by Step Solution
- Step 1: Write the proportion equation
146,991.68 : 220,528.68 = 47,157.68 : x - Step 2: Convert to fraction form
146,991.68/220,528.68 = 47,157.68/x - Step 3: Cross multiply
146,991.68x = 220,528.68 × 47,157.68 - Step 4: Simplify right side
146,991.68x = 10,399,620,922.26 - Step 5: Solve for x
x = 10,399,620,922.26/146,991.68 - Step 6: Final answer
x = 70,749.72
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1.5x scale
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.