Finding the Fourth Proportional to 424,704.21, 586,115.90 and 243,446.23
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Solution
The fourth proportional to 424,704.21, 586,115.90 and 243,446.23 is: 335,969.61
Step by Step Solution
- Step 1: Write the proportion equation
424,704.21 : 586,115.90 = 243,446.23 : x - Step 2: Convert to fraction form
424,704.21/586,115.90 = 243,446.23/x - Step 3: Cross multiply
424,704.21x = 586,115.90 × 243,446.23 - Step 4: Simplify right side
424,704.21x = 142,687,706,198.06 - Step 5: Solve for x
x = 142,687,706,198.06/424,704.21 - Step 6: Final answer
x = 335,969.61
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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.