Finding the Fourth Proportional to 214,027.80, 320,427.30 and 207,883.80
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Solution
The fourth proportional to 214,027.80, 320,427.30 and 207,883.80 is: 311,228.94
Step by Step Solution
- Step 1: Write the proportion equation
214,027.80 : 320,427.30 = 207,883.80 : x - Step 2: Convert to fraction form
214,027.80/320,427.30 = 207,883.80/x - Step 3: Cross multiply
214,027.80x = 320,427.30 × 207,883.80 - Step 4: Simplify right side
214,027.80x = 66,611,644,747.74 - Step 5: Solve for x
x = 66,611,644,747.74/214,027.80 - Step 6: Final answer
x = 311,228.94
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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.