Finding the Fourth Proportional to 214,037.80, 320,442.30 and 207,893.80
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Solution
The fourth proportional to 214,037.80, 320,442.30 and 207,893.80 is: 311,243.94
Step by Step Solution
- Step 1: Write the proportion equation
214,037.80 : 320,442.30 = 207,893.80 : x - Step 2: Convert to fraction form
214,037.80/320,442.30 = 207,893.80/x - Step 3: Cross multiply
214,037.80x = 320,442.30 × 207,893.80 - Step 4: Simplify right side
214,037.80x = 66,617,967,427.74 - Step 5: Solve for x
x = 66,617,967,427.74/214,037.80 - Step 6: Final answer
x = 311,243.94
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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.