Finding the Fourth Proportional to 222,018.18, 306,380.52 and 121,416.18
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Solution
The fourth proportional to 222,018.18, 306,380.52 and 121,416.18 is: 167,551.83
Step by Step Solution
- Step 1: Write the proportion equation
222,018.18 : 306,380.52 = 121,416.18 : x - Step 2: Convert to fraction form
222,018.18/306,380.52 = 121,416.18/x - Step 3: Cross multiply
222,018.18x = 306,380.52 × 121,416.18 - Step 4: Simplify right side
222,018.18x = 37,199,552,364.81 - Step 5: Solve for x
x = 37,199,552,364.81/222,018.18 - Step 6: Final answer
x = 167,551.83
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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.