Finding the Fourth Proportional to 265,711.20, 366,663.07 and 149,442.09
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Solution
The fourth proportional to 265,711.20, 366,663.07 and 149,442.09 is: 206,219.74
Step by Step Solution
- Step 1: Write the proportion equation
265,711.20 : 366,663.07 = 149,442.09 : x - Step 2: Convert to fraction form
265,711.20/366,663.07 = 149,442.09/x - Step 3: Cross multiply
265,711.20x = 366,663.07 × 149,442.09 - Step 4: Simplify right side
265,711.20x = 54,794,895,506.62 - Step 5: Solve for x
x = 54,794,895,506.62/265,711.20 - Step 6: Final answer
x = 206,219.74
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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.