Finding the Fourth Proportional to 222,356.12, 306,848.40 and 121,754.12
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Solution
The fourth proportional to 222,356.12, 306,848.40 and 121,754.12 is: 168,019.02
Step by Step Solution
- Step 1: Write the proportion equation
222,356.12 : 306,848.40 = 121,754.12 : x - Step 2: Convert to fraction form
222,356.12/306,848.40 = 121,754.12/x - Step 3: Cross multiply
222,356.12x = 306,848.40 × 121,754.12 - Step 4: Simplify right side
222,356.12x = 37,360,056,915.41 - Step 5: Solve for x
x = 37,360,056,915.41/222,356.12 - Step 6: Final answer
x = 168,019.02
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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.