Finding the Fourth Proportional to 149,232.50, 206,115.81 and 98,844.02
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Solution
The fourth proportional to 149,232.50, 206,115.81 and 98,844.02 is: 136,520.63
Step by Step Solution
- Step 1: Write the proportion equation
149,232.50 : 206,115.81 = 98,844.02 : x - Step 2: Convert to fraction form
149,232.50/206,115.81 = 98,844.02/x - Step 3: Cross multiply
149,232.50x = 206,115.81 × 98,844.02 - Step 4: Simplify right side
149,232.50x = 20,373,315,245.96 - Step 5: Solve for x
x = 20,373,315,245.96/149,232.50 - Step 6: Final answer
x = 136,520.63
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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.