Finding the Fourth Proportional to 415,968.88, 574,035.36 and 234,680.80
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Solution
The fourth proportional to 415,968.88, 574,035.36 and 234,680.80 is: 323,858.55
Step by Step Solution
- Step 1: Write the proportion equation
415,968.88 : 574,035.36 = 234,680.80 : x - Step 2: Convert to fraction form
415,968.88/574,035.36 = 234,680.80/x - Step 3: Cross multiply
415,968.88x = 574,035.36 × 234,680.80 - Step 4: Simplify right side
415,968.88x = 134,715,077,513.09 - Step 5: Solve for x
x = 134,715,077,513.09/415,968.88 - Step 6: Final answer
x = 323,858.55
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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.