Finding the Fourth Proportional to 675,123.66, 1,012,685.49 and 201,793.68
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Solution
The fourth proportional to 675,123.66, 1,012,685.49 and 201,793.68 is: 302,690.52
Step by Step Solution
- Step 1: Write the proportion equation
675,123.66 : 1,012,685.49 = 201,793.68 : x - Step 2: Convert to fraction form
675,123.66/1,012,685.49 = 201,793.68/x - Step 3: Cross multiply
675,123.66x = 1,012,685.49 × 201,793.68 - Step 4: Simplify right side
675,123.66x = 204,353,531,709.70 - Step 5: Solve for x
x = 204,353,531,709.70/675,123.66 - Step 6: Final answer
x = 302,690.52
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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.