Finding the Fourth Proportional to 741,723.36, 1,112,216.90 and 236,218.42
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Solution
The fourth proportional to 741,723.36, 1,112,216.90 and 236,218.42 is: 354,210.39
Step by Step Solution
- Step 1: Write the proportion equation
741,723.36 : 1,112,216.90 = 236,218.42 : x - Step 2: Convert to fraction form
741,723.36/1,112,216.90 = 236,218.42/x - Step 3: Cross multiply
741,723.36x = 1,112,216.90 × 236,218.42 - Step 4: Simplify right side
741,723.36x = 262,726,118,815.30 - Step 5: Solve for x
x = 262,726,118,815.30/741,723.36 - Step 6: Final answer
x = 354,210.39
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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.