Finding the Fourth Proportional to 363,537.17, 545,554.84 and 126,879.85
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Solution
The fourth proportional to 363,537.17, 545,554.84 and 126,879.85 is: 190,406.70
Step by Step Solution
- Step 1: Write the proportion equation
363,537.17 : 545,554.84 = 126,879.85 : x - Step 2: Convert to fraction form
363,537.17/545,554.84 = 126,879.85/x - Step 3: Cross multiply
363,537.17x = 545,554.84 × 126,879.85 - Step 4: Simplify right side
363,537.17x = 69,219,913,538.20 - Step 5: Solve for x
x = 69,219,913,538.20/363,537.17 - Step 6: Final answer
x = 190,406.70
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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.