Finding the Fourth Proportional to 737,247.11, 1,106,136.90 and 257,545.79
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Solution
The fourth proportional to 737,247.11, 1,106,136.90 and 257,545.79 is: 386,411.69
Step by Step Solution
- Step 1: Write the proportion equation
737,247.11 : 1,106,136.90 = 257,545.79 : x - Step 2: Convert to fraction form
737,247.11/1,106,136.90 = 257,545.79/x - Step 3: Cross multiply
737,247.11x = 1,106,136.90 × 257,545.79 - Step 4: Simplify right side
737,247.11x = 284,880,901,758.65 - Step 5: Solve for x
x = 284,880,901,758.65/737,247.11 - Step 6: Final answer
x = 386,411.69
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1.5x scale
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.