Finding the Fourth Proportional to 215,765.49, 297,750.17 and 120,270.14
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Solution
The fourth proportional to 215,765.49, 297,750.17 and 120,270.14 is: 165,969.33
Step by Step Solution
- Step 1: Write the proportion equation
215,765.49 : 297,750.17 = 120,270.14 : x - Step 2: Convert to fraction form
215,765.49/297,750.17 = 120,270.14/x - Step 3: Cross multiply
215,765.49x = 297,750.17 × 120,270.14 - Step 4: Simplify right side
215,765.49x = 35,810,453,142.17 - Step 5: Solve for x
x = 35,810,453,142.17/215,765.49 - Step 6: Final answer
x = 165,969.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.