Finding the Fourth Proportional to 400,157.21, 600,114.62 and 210,512.99
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Solution
The fourth proportional to 400,157.21, 600,114.62 and 210,512.99 is: 315,705.73
Step by Step Solution
- Step 1: Write the proportion equation
400,157.21 : 600,114.62 = 210,512.99 : x - Step 2: Convert to fraction form
400,157.21/600,114.62 = 210,512.99/x - Step 3: Cross multiply
400,157.21x = 600,114.62 × 210,512.99 - Step 4: Simplify right side
400,157.21x = 126,331,925,025.48 - Step 5: Solve for x
x = 126,331,925,025.48/400,157.21 - Step 6: Final answer
x = 315,705.73
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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.