Finding the Fourth Proportional to 320,691.93, 442,548.60 and 177,452.07
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Solution
The fourth proportional to 320,691.93, 442,548.60 and 177,452.07 is: 244,880.39
Step by Step Solution
- Step 1: Write the proportion equation
320,691.93 : 442,548.60 = 177,452.07 : x - Step 2: Convert to fraction form
320,691.93/442,548.60 = 177,452.07/x - Step 3: Cross multiply
320,691.93x = 442,548.60 × 177,452.07 - Step 4: Simplify right side
320,691.93x = 78,531,165,145.60 - Step 5: Solve for x
x = 78,531,165,145.60/320,691.93 - Step 6: Final answer
x = 244,880.39
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1.5x scale
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.