Finding the Fourth Proportional to 217,268.10, 325,902.15 and 146,765.70
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Solution
The fourth proportional to 217,268.10, 325,902.15 and 146,765.70 is: 220,148.55
Step by Step Solution
- Step 1: Write the proportion equation
217,268.10 : 325,902.15 = 146,765.70 : x - Step 2: Convert to fraction form
217,268.10/325,902.15 = 146,765.70/x - Step 3: Cross multiply
217,268.10x = 325,902.15 × 146,765.70 - Step 4: Simplify right side
217,268.10x = 47,831,257,176.26 - Step 5: Solve for x
x = 47,831,257,176.26/217,268.10 - Step 6: Final answer
x = 220,148.55
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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.