Finding the Fourth Proportional to 424,912.40, 637,397.40 and 144,450.80
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Solution
The fourth proportional to 424,912.40, 637,397.40 and 144,450.80 is: 216,685.99
Step by Step Solution
- Step 1: Write the proportion equation
424,912.40 : 637,397.40 = 144,450.80 : x - Step 2: Convert to fraction form
424,912.40/637,397.40 = 144,450.80/x - Step 3: Cross multiply
424,912.40x = 637,397.40 × 144,450.80 - Step 4: Simplify right side
424,912.40x = 92,072,564,347.92 - Step 5: Solve for x
x = 92,072,564,347.92/424,912.40 - Step 6: Final answer
x = 216,685.99
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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.