Finding the Fourth Proportional to 399,566.88, 599,149.68 and 133,233.12
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Solution
The fourth proportional to 399,566.88, 599,149.68 and 133,233.12 is: 199,782.78
Step by Step Solution
- Step 1: Write the proportion equation
399,566.88 : 599,149.68 = 133,233.12 : x - Step 2: Convert to fraction form
399,566.88/599,149.68 = 133,233.12/x - Step 3: Cross multiply
399,566.88x = 599,149.68 × 133,233.12 - Step 4: Simplify right side
399,566.88x = 79,826,581,213.40 - Step 5: Solve for x
x = 79,826,581,213.40/399,566.88 - Step 6: Final answer
x = 199,782.78
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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.