Finding the Fourth Proportional to 285,136.66, 393,576.26 and 164,358.71
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Solution
The fourth proportional to 285,136.66, 393,576.26 and 164,358.71 is: 226,865.55
Step by Step Solution
- Step 1: Write the proportion equation
285,136.66 : 393,576.26 = 164,358.71 : x - Step 2: Convert to fraction form
285,136.66/393,576.26 = 164,358.71/x - Step 3: Cross multiply
285,136.66x = 393,576.26 × 164,358.71 - Step 4: Simplify right side
285,136.66x = 64,687,686,380.22 - Step 5: Solve for x
x = 64,687,686,380.22/285,136.66 - Step 6: Final answer
x = 226,865.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.