Finding the Fourth Proportional to 331,193.48, 496,490.68 and 120,782.12
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Solution
The fourth proportional to 331,193.48, 496,490.68 and 120,782.12 is: 181,063.94
Step by Step Solution
- Step 1: Write the proportion equation
331,193.48 : 496,490.68 = 120,782.12 : x - Step 2: Convert to fraction form
331,193.48/496,490.68 = 120,782.12/x - Step 3: Cross multiply
331,193.48x = 496,490.68 × 120,782.12 - Step 4: Simplify right side
331,193.48x = 59,967,196,890.64 - Step 5: Solve for x
x = 59,967,196,890.64/331,193.48 - Step 6: Final answer
x = 181,063.94
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1.5x scale
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.