Finding the Fourth Proportional to 189,182.74, 261,061.75 and 108,604.99
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Solution
The fourth proportional to 189,182.74, 261,061.75 and 108,604.99 is: 149,868.90
Step by Step Solution
- Step 1: Write the proportion equation
189,182.74 : 261,061.75 = 108,604.99 : x - Step 2: Convert to fraction form
189,182.74/261,061.75 = 108,604.99/x - Step 3: Cross multiply
189,182.74x = 261,061.75 × 108,604.99 - Step 4: Simplify right side
189,182.74x = 28,352,608,748.13 - Step 5: Solve for x
x = 28,352,608,748.13/189,182.74 - Step 6: Final answer
x = 149,868.90
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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.