Finding the Fourth Proportional to 403,021.20, 604,920.60 and 203,566.80
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Solution
The fourth proportional to 403,021.20, 604,920.60 and 203,566.80 is: 305,546.58
Step by Step Solution
- Step 1: Write the proportion equation
403,021.20 : 604,920.60 = 203,566.80 : x - Step 2: Convert to fraction form
403,021.20/604,920.60 = 203,566.80/x - Step 3: Cross multiply
403,021.20x = 604,920.60 × 203,566.80 - Step 4: Simplify right side
403,021.20x = 123,141,750,796.08 - Step 5: Solve for x
x = 123,141,750,796.08/403,021.20 - Step 6: Final answer
x = 305,546.58
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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.