Finding the Fourth Proportional to 299,358.75, 413,115.62 and 165,222.75
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Solution
The fourth proportional to 299,358.75, 413,115.62 and 165,222.75 is: 228,007.70
Step by Step Solution
- Step 1: Write the proportion equation
299,358.75 : 413,115.62 = 165,222.75 : x - Step 2: Convert to fraction form
299,358.75/413,115.62 = 165,222.75/x - Step 3: Cross multiply
299,358.75x = 413,115.62 × 165,222.75 - Step 4: Simplify right side
299,358.75x = 68,256,098,804.36 - Step 5: Solve for x
x = 68,256,098,804.36/299,358.75 - Step 6: Final answer
x = 228,007.70
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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.