Finding the Fourth Proportional to 863,136.60, 1,294,704.90 and 302,227.80
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Solution
The fourth proportional to 863,136.60, 1,294,704.90 and 302,227.80 is: 453,341.70
Step by Step Solution
- Step 1: Write the proportion equation
863,136.60 : 1,294,704.90 = 302,227.80 : x - Step 2: Convert to fraction form
863,136.60/1,294,704.90 = 302,227.80/x - Step 3: Cross multiply
863,136.60x = 1,294,704.90 × 302,227.80 - Step 4: Simplify right side
863,136.60x = 391,295,813,576.22 - Step 5: Solve for x
x = 391,295,813,576.22/863,136.60 - Step 6: Final answer
x = 453,341.70
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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.