Finding the Fourth Proportional to 399,035.12, 598,625.64 and 132,770.36
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Solution
The fourth proportional to 399,035.12, 598,625.64 and 132,770.36 is: 199,179.82
Step by Step Solution
- Step 1: Write the proportion equation
399,035.12 : 598,625.64 = 132,770.36 : x - Step 2: Convert to fraction form
399,035.12/598,625.64 = 132,770.36/x - Step 3: Cross multiply
399,035.12x = 598,625.64 × 132,770.36 - Step 4: Simplify right side
399,035.12x = 79,479,741,728.03 - Step 5: Solve for x
x = 79,479,741,728.03/399,035.12 - Step 6: Final answer
x = 199,179.82
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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.