Finding the Fourth Proportional to 663,365.40, 994,805.10 and 214,204.20
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Solution
The fourth proportional to 663,365.40, 994,805.10 and 214,204.20 is: 321,227.83
Step by Step Solution
- Step 1: Write the proportion equation
663,365.40 : 994,805.10 = 214,204.20 : x - Step 2: Convert to fraction form
663,365.40/994,805.10 = 214,204.20/x - Step 3: Cross multiply
663,365.40x = 994,805.10 × 214,204.20 - Step 4: Simplify right side
663,365.40x = 213,091,430,601.42 - Step 5: Solve for x
x = 213,091,430,601.42/663,365.40 - Step 6: Final answer
x = 321,227.83
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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.