Finding the Fourth Proportional to 383,161.53, 528,763.08 and 222,110.00
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Solution
The fourth proportional to 383,161.53, 528,763.08 and 222,110.00 is: 306,511.89
Step by Step Solution
- Step 1: Write the proportion equation
383,161.53 : 528,763.08 = 222,110.00 : x - Step 2: Convert to fraction form
383,161.53/528,763.08 = 222,110.00/x - Step 3: Cross multiply
383,161.53x = 528,763.08 × 222,110.00 - Step 4: Simplify right side
383,161.53x = 117,443,563,944.44 - Step 5: Solve for x
x = 117,443,563,944.44/383,161.53 - Step 6: Final answer
x = 306,511.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.