Finding the Fourth Proportional to 203,717.99, 305,577.05 and 77,358.35
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Solution
The fourth proportional to 203,717.99, 305,577.05 and 77,358.35 is: 116,037.54
Step by Step Solution
- Step 1: Write the proportion equation
203,717.99 : 305,577.05 = 77,358.35 : x - Step 2: Convert to fraction form
203,717.99/305,577.05 = 77,358.35/x - Step 3: Cross multiply
203,717.99x = 305,577.05 × 77,358.35 - Step 4: Simplify right side
203,717.99x = 23,638,934,471.19 - Step 5: Solve for x
x = 23,638,934,471.19/203,717.99 - Step 6: Final answer
x = 116,037.54
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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.