Finding the Fourth Proportional to 214,030.80, 320,431.80 and 207,886.80
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Solution
The fourth proportional to 214,030.80, 320,431.80 and 207,886.80 is: 311,233.44
Step by Step Solution
- Step 1: Write the proportion equation
214,030.80 : 320,431.80 = 207,886.80 : x - Step 2: Convert to fraction form
214,030.80/320,431.80 = 207,886.80/x - Step 3: Cross multiply
214,030.80x = 320,431.80 × 207,886.80 - Step 4: Simplify right side
214,030.80x = 66,613,541,520.24 - Step 5: Solve for x
x = 66,613,541,520.24/214,030.80 - Step 6: Final answer
x = 311,233.44
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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.