Finding the Fourth Proportional to 809,201.80, 1,213,802.70 and 248,163.40
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Solution
The fourth proportional to 809,201.80, 1,213,802.70 and 248,163.40 is: 372,245.10
Step by Step Solution
- Step 1: Write the proportion equation
809,201.80 : 1,213,802.70 = 248,163.40 : x - Step 2: Convert to fraction form
809,201.80/1,213,802.70 = 248,163.40/x - Step 3: Cross multiply
809,201.80x = 1,213,802.70 × 248,163.40 - Step 4: Simplify right side
809,201.80x = 301,221,404,961.18 - Step 5: Solve for x
x = 301,221,404,961.18/809,201.80 - Step 6: Final answer
x = 372,245.10
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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.