Finding the Fourth Proportional to 389,770.26, 537,884.73 and 210,922.26
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Solution
The fourth proportional to 389,770.26, 537,884.73 and 210,922.26 is: 291,073.68
Step by Step Solution
- Step 1: Write the proportion equation
389,770.26 : 537,884.73 = 210,922.26 : x - Step 2: Convert to fraction form
389,770.26/537,884.73 = 210,922.26/x - Step 3: Cross multiply
389,770.26x = 537,884.73 × 210,922.26 - Step 4: Simplify right side
389,770.26x = 113,451,862,871.09 - Step 5: Solve for x
x = 113,451,862,871.09/389,770.26 - Step 6: Final answer
x = 291,073.68
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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.