Finding the Fourth Proportional to 331,062.74, 496,591.21 and 219,243.26
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Solution
The fourth proportional to 331,062.74, 496,591.21 and 219,243.26 is: 328,862.96
Step by Step Solution
- Step 1: Write the proportion equation
331,062.74 : 496,591.21 = 219,243.26 : x - Step 2: Convert to fraction form
331,062.74/496,591.21 = 219,243.26/x - Step 3: Cross multiply
331,062.74x = 496,591.21 × 219,243.26 - Step 4: Simplify right side
331,062.74x = 108,874,273,256.71 - Step 5: Solve for x
x = 108,874,273,256.71/331,062.74 - Step 6: Final answer
x = 328,862.96
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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.