Finding the Fourth Proportional to 424,609.54, 637,021.24 and 158,378.74
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Solution
The fourth proportional to 424,609.54, 637,021.24 and 158,378.74 is: 237,607.99
Step by Step Solution
- Step 1: Write the proportion equation
424,609.54 : 637,021.24 = 158,378.74 : x - Step 2: Convert to fraction form
424,609.54/637,021.24 = 158,378.74/x - Step 3: Cross multiply
424,609.54x = 637,021.24 × 158,378.74 - Step 4: Simplify right side
424,609.54x = 100,890,621,344.44 - Step 5: Solve for x
x = 100,890,621,344.44/424,609.54 - Step 6: Final answer
x = 237,607.99
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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.