Finding the Fourth Proportional to 203,334.48, 304,865.52 and 78,529.68
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Solution
The fourth proportional to 203,334.48, 304,865.52 and 78,529.68 is: 117,741.92
Step by Step Solution
- Step 1: Write the proportion equation
203,334.48 : 304,865.52 = 78,529.68 : x - Step 2: Convert to fraction form
203,334.48/304,865.52 = 78,529.68/x - Step 3: Cross multiply
203,334.48x = 304,865.52 × 78,529.68 - Step 4: Simplify right side
203,334.48x = 23,940,991,728.63 - Step 5: Solve for x
x = 23,940,991,728.63/203,334.48 - Step 6: Final answer
x = 117,741.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.