Finding the Fourth Proportional to 389,183.88, 537,052.91 and 219,407.07
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Solution
The fourth proportional to 389,183.88, 537,052.91 and 219,407.07 is: 302,770.00
Step by Step Solution
- Step 1: Write the proportion equation
389,183.88 : 537,052.91 = 219,407.07 : x - Step 2: Convert to fraction form
389,183.88/537,052.91 = 219,407.07/x - Step 3: Cross multiply
389,183.88x = 537,052.91 × 219,407.07 - Step 4: Simplify right side
389,183.88x = 117,833,204,321.04 - Step 5: Solve for x
x = 117,833,204,321.04/389,183.88 - Step 6: Final answer
x = 302,770.00
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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.