Finding the Fourth Proportional to 214,026.80, 320,425.80 and 207,882.80
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Solution
The fourth proportional to 214,026.80, 320,425.80 and 207,882.80 is: 311,227.44
Step by Step Solution
- Step 1: Write the proportion equation
214,026.80 : 320,425.80 = 207,882.80 : x - Step 2: Convert to fraction form
214,026.80/320,425.80 = 207,882.80/x - Step 3: Cross multiply
214,026.80x = 320,425.80 × 207,882.80 - Step 4: Simplify right side
214,026.80x = 66,611,012,496.24 - Step 5: Solve for x
x = 66,611,012,496.24/214,026.80 - Step 6: Final answer
x = 311,227.44
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1.5x scale
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.