Finding the Fourth Proportional to 223,222.72, 334,880.88 and 65,438.32
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Solution
The fourth proportional to 223,222.72, 334,880.88 and 65,438.32 is: 98,171.20
Step by Step Solution
- Step 1: Write the proportion equation
223,222.72 : 334,880.88 = 65,438.32 : x - Step 2: Convert to fraction form
223,222.72/334,880.88 = 65,438.32/x - Step 3: Cross multiply
223,222.72x = 334,880.88 × 65,438.32 - Step 4: Simplify right side
223,222.72x = 21,914,042,187.32 - Step 5: Solve for x
x = 21,914,042,187.32/223,222.72 - Step 6: Final answer
x = 98,171.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.