Finding the Fourth Proportional to 315,790.26, 475,544.09 and 227,663.88
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Solution
The fourth proportional to 315,790.26, 475,544.09 and 227,663.88 is: 342,835.82
Step by Step Solution
- Step 1: Write the proportion equation
315,790.26 : 475,544.09 = 227,663.88 : x - Step 2: Convert to fraction form
315,790.26/475,544.09 = 227,663.88/x - Step 3: Cross multiply
315,790.26x = 475,544.09 × 227,663.88 - Step 4: Simplify right side
315,790.26x = 108,264,211,502.15 - Step 5: Solve for x
x = 108,264,211,502.15/315,790.26 - Step 6: Final answer
x = 342,835.82
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.