Finding the Fourth Proportional to 190,902.94, 263,438.82 and 106,025.44
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Solution
The fourth proportional to 190,902.94, 263,438.82 and 106,025.44 is: 146,311.09
Step by Step Solution
- Step 1: Write the proportion equation
190,902.94 : 263,438.82 = 106,025.44 : x - Step 2: Convert to fraction form
190,902.94/263,438.82 = 106,025.44/x - Step 3: Cross multiply
190,902.94x = 263,438.82 × 106,025.44 - Step 4: Simplify right side
190,902.94x = 27,931,216,803.58 - Step 5: Solve for x
x = 27,931,216,803.58/190,902.94 - Step 6: Final answer
x = 146,311.09
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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.