Finding the Fourth Proportional to 222,176.55, 306,605.84 and 120,204.20
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Solution
The fourth proportional to 222,176.55, 306,605.84 and 120,204.20 is: 165,882.99
Step by Step Solution
- Step 1: Write the proportion equation
222,176.55 : 306,605.84 = 120,204.20 : x - Step 2: Convert to fraction form
222,176.55/306,605.84 = 120,204.20/x - Step 3: Cross multiply
222,176.55x = 306,605.84 × 120,204.20 - Step 4: Simplify right side
222,176.55x = 36,855,310,300.61 - Step 5: Solve for x
x = 36,855,310,300.61/222,176.55 - Step 6: Final answer
x = 165,882.99
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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.