Finding the Fourth Proportional to 203,542.86, 305,239.41 and 70,388.94
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Solution
The fourth proportional to 203,542.86, 305,239.41 and 70,388.94 is: 105,557.52
Step by Step Solution
- Step 1: Write the proportion equation
203,542.86 : 305,239.41 = 70,388.94 : x - Step 2: Convert to fraction form
203,542.86/305,239.41 = 70,388.94/x - Step 3: Cross multiply
203,542.86x = 305,239.41 × 70,388.94 - Step 4: Simplify right side
203,542.86x = 21,485,478,516.13 - Step 5: Solve for x
x = 21,485,478,516.13/203,542.86 - Step 6: Final answer
x = 105,557.52
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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.