Finding the Fourth Proportional to 319,057.26, 477,955.37 and 192,323.31
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Solution
The fourth proportional to 319,057.26, 477,955.37 and 192,323.31 is: 288,104.89
Step by Step Solution
- Step 1: Write the proportion equation
319,057.26 : 477,955.37 = 192,323.31 : x - Step 2: Convert to fraction form
319,057.26/477,955.37 = 192,323.31/x - Step 3: Cross multiply
319,057.26x = 477,955.37 × 192,323.31 - Step 4: Simplify right side
319,057.26x = 91,921,957,829.06 - Step 5: Solve for x
x = 91,921,957,829.06/319,057.26 - Step 6: Final answer
x = 288,104.89
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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.