Finding the Fourth Proportional to 373,266.24, 515,107.40 and 212,121.60
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Solution
The fourth proportional to 373,266.24, 515,107.40 and 212,121.60 is: 292,727.80
Step by Step Solution
- Step 1: Write the proportion equation
373,266.24 : 515,107.40 = 212,121.60 : x - Step 2: Convert to fraction form
373,266.24/515,107.40 = 212,121.60/x - Step 3: Cross multiply
373,266.24x = 515,107.40 × 212,121.60 - Step 4: Simplify right side
373,266.24x = 109,265,404,799.23 - Step 5: Solve for x
x = 109,265,404,799.23/373,266.24 - Step 6: Final answer
x = 292,727.80
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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.