Finding the Fourth Proportional to 222,360.76, 306,857.91 and 120,386.20
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Solution
The fourth proportional to 222,360.76, 306,857.91 and 120,386.20 is: 166,132.99
Step by Step Solution
- Step 1: Write the proportion equation
222,360.76 : 306,857.91 = 120,386.20 : x - Step 2: Convert to fraction form
222,360.76/306,857.91 = 120,386.20/x - Step 3: Cross multiply
222,360.76x = 306,857.91 × 120,386.20 - Step 4: Simplify right side
222,360.76x = 36,941,457,724.84 - Step 5: Solve for x
x = 36,941,457,724.84/222,360.76 - Step 6: Final answer
x = 166,132.99
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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.