Finding the Fourth Proportional to 418,741.68, 577,672.92 and 248,879.28
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Solution
The fourth proportional to 418,741.68, 577,672.92 and 248,879.28 is: 343,340.12
Step by Step Solution
- Step 1: Write the proportion equation
418,741.68 : 577,672.92 = 248,879.28 : x - Step 2: Convert to fraction form
418,741.68/577,672.92 = 248,879.28/x - Step 3: Cross multiply
418,741.68x = 577,672.92 × 248,879.28 - Step 4: Simplify right side
418,741.68x = 143,770,820,405.10 - Step 5: Solve for x
x = 143,770,820,405.10/418,741.68 - Step 6: Final answer
x = 343,340.12
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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.