Finding the Fourth Proportional to 189,442.23, 261,428.97 and 104,559.29
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Solution
The fourth proportional to 189,442.23, 261,428.97 and 104,559.29 is: 144,291.09
Step by Step Solution
- Step 1: Write the proportion equation
189,442.23 : 261,428.97 = 104,559.29 : x - Step 2: Convert to fraction form
189,442.23/261,428.97 = 104,559.29/x - Step 3: Cross multiply
189,442.23x = 261,428.97 × 104,559.29 - Step 4: Simplify right side
189,442.23x = 27,334,826,181.49 - Step 5: Solve for x
x = 27,334,826,181.49/189,442.23 - Step 6: Final answer
x = 144,291.09
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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.