Finding the Fourth Proportional to 665,576.29, 998,217.55 and 192,158.65
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Solution
The fourth proportional to 665,576.29, 998,217.55 and 192,158.65 is: 288,195.57
Step by Step Solution
- Step 1: Write the proportion equation
665,576.29 : 998,217.55 = 192,158.65 : x - Step 2: Convert to fraction form
665,576.29/998,217.55 = 192,158.65/x - Step 3: Cross multiply
665,576.29x = 998,217.55 × 192,158.65 - Step 4: Simplify right side
665,576.29x = 191,816,136,814.31 - Step 5: Solve for x
x = 191,816,136,814.31/665,576.29 - Step 6: Final answer
x = 288,195.57
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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.