Finding the Fourth Proportional to 661,592.68, 991,939.90 and 336,581.99
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Solution
The fourth proportional to 661,592.68, 991,939.90 and 336,581.99 is: 504,644.50
Step by Step Solution
- Step 1: Write the proportion equation
661,592.68 : 991,939.90 = 336,581.99 : x - Step 2: Convert to fraction form
661,592.68/991,939.90 = 336,581.99/x - Step 3: Cross multiply
661,592.68x = 991,939.90 × 336,581.99 - Step 4: Simplify right side
661,592.68x = 333,869,105,502.40 - Step 5: Solve for x
x = 333,869,105,502.40/661,592.68 - Step 6: Final answer
x = 504,644.50
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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.