Finding the Fourth Proportional to 292,857.36, 439,119.60 and 115,268.12
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Solution
The fourth proportional to 292,857.36, 439,119.60 and 115,268.12 is: 172,836.67
Step by Step Solution
- Step 1: Write the proportion equation
292,857.36 : 439,119.60 = 115,268.12 : x - Step 2: Convert to fraction form
292,857.36/439,119.60 = 115,268.12/x - Step 3: Cross multiply
292,857.36x = 439,119.60 × 115,268.12 - Step 4: Simplify right side
292,857.36x = 50,616,490,747.15 - Step 5: Solve for x
x = 50,616,490,747.15/292,857.36 - Step 6: Final answer
x = 172,836.67
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1.5x scale
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.