Finding the Fourth Proportional to 214,691.97, 321,539.64 and 207,218.80
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Solution
The fourth proportional to 214,691.97, 321,539.64 and 207,218.80 is: 310,347.23
Step by Step Solution
- Step 1: Write the proportion equation
214,691.97 : 321,539.64 = 207,218.80 : x - Step 2: Convert to fraction form
214,691.97/321,539.64 = 207,218.80/x - Step 3: Cross multiply
214,691.97x = 321,539.64 × 207,218.80 - Step 4: Simplify right side
214,691.97x = 66,629,058,353.23 - Step 5: Solve for x
x = 66,629,058,353.23/214,691.97 - Step 6: Final answer
x = 310,347.23
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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.