Finding the Fourth Proportional to 301,358.26, 415,889.49 and 165,391.02
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Solution
The fourth proportional to 301,358.26, 415,889.49 and 165,391.02 is: 228,247.89
Step by Step Solution
- Step 1: Write the proportion equation
301,358.26 : 415,889.49 = 165,391.02 : x - Step 2: Convert to fraction form
301,358.26/415,889.49 = 165,391.02/x - Step 3: Cross multiply
301,358.26x = 415,889.49 × 165,391.02 - Step 4: Simplify right side
301,358.26x = 68,784,386,940.69 - Step 5: Solve for x
x = 68,784,386,940.69/301,358.26 - Step 6: Final answer
x = 228,247.89
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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.