Finding the Fourth Proportional to 358,669.26, 494,944.63 and 205,699.55
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Solution
The fourth proportional to 358,669.26, 494,944.63 and 205,699.55 is: 283,854.50
Step by Step Solution
- Step 1: Write the proportion equation
358,669.26 : 494,944.63 = 205,699.55 : x - Step 2: Convert to fraction form
358,669.26/494,944.63 = 205,699.55/x - Step 3: Cross multiply
358,669.26x = 494,944.63 × 205,699.55 - Step 4: Simplify right side
358,669.26x = 101,809,884,162.70 - Step 5: Solve for x
x = 101,809,884,162.70/358,669.26 - Step 6: Final answer
x = 283,854.50
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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.