Finding the Fourth Proportional to 368,586.50, 552,879.32 and 115,889.09
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Solution
The fourth proportional to 368,586.50, 552,879.32 and 115,889.09 is: 173,833.49
Step by Step Solution
- Step 1: Write the proportion equation
368,586.50 : 552,879.32 = 115,889.09 : x - Step 2: Convert to fraction form
368,586.50/552,879.32 = 115,889.09/x - Step 3: Cross multiply
368,586.50x = 552,879.32 × 115,889.09 - Step 4: Simplify right side
368,586.50x = 64,072,677,930.78 - Step 5: Solve for x
x = 64,072,677,930.78/368,586.50 - Step 6: Final answer
x = 173,833.49
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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.