Finding the Fourth Proportional to 189,060.75, 260,909.33 and 104,183.28
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Solution
The fourth proportional to 189,060.75, 260,909.33 and 104,183.28 is: 143,775.95
Step by Step Solution
- Step 1: Write the proportion equation
189,060.75 : 260,909.33 = 104,183.28 : x - Step 2: Convert to fraction form
189,060.75/260,909.33 = 104,183.28/x - Step 3: Cross multiply
189,060.75x = 260,909.33 × 104,183.28 - Step 4: Simplify right side
189,060.75x = 27,182,389,261.09 - Step 5: Solve for x
x = 27,182,389,261.09/189,060.75 - Step 6: Final answer
x = 143,775.95
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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.