Finding the Fourth Proportional to 424,850.12, 637,213.66 and 125,315.90
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Solution
The fourth proportional to 424,850.12, 637,213.66 and 125,315.90 is: 187,955.70
Step by Step Solution
- Step 1: Write the proportion equation
424,850.12 : 637,213.66 = 125,315.90 : x - Step 2: Convert to fraction form
424,850.12/637,213.66 = 125,315.90/x - Step 3: Cross multiply
424,850.12x = 637,213.66 × 125,315.90 - Step 4: Simplify right side
424,850.12x = 79,853,003,295.19 - Step 5: Solve for x
x = 79,853,003,295.19/424,850.12 - Step 6: Final answer
x = 187,955.70
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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.