Finding the Fourth Proportional to 512,696.91, 768,545.51 and 204,857.15
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Solution
The fourth proportional to 512,696.91, 768,545.51 and 204,857.15 is: 307,085.99
Step by Step Solution
- Step 1: Write the proportion equation
512,696.91 : 768,545.51 = 204,857.15 : x - Step 2: Convert to fraction form
512,696.91/768,545.51 = 204,857.15/x - Step 3: Cross multiply
512,696.91x = 768,545.51 × 204,857.15 - Step 4: Simplify right side
512,696.91x = 157,442,037,956.88 - Step 5: Solve for x
x = 157,442,037,956.88/512,696.91 - Step 6: Final answer
x = 307,085.99
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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.