Finding the Fourth Proportional to 190,442.75, 262,813.64 and 104,409.81
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Solution
The fourth proportional to 190,442.75, 262,813.64 and 104,409.81 is: 144,086.99
Step by Step Solution
- Step 1: Write the proportion equation
190,442.75 : 262,813.64 = 104,409.81 : x - Step 2: Convert to fraction form
190,442.75/262,813.64 = 104,409.81/x - Step 3: Cross multiply
190,442.75x = 262,813.64 × 104,409.81 - Step 4: Simplify right side
190,442.75x = 27,440,321,695.76 - Step 5: Solve for x
x = 27,440,321,695.76/190,442.75 - Step 6: Final answer
x = 144,086.99
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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.