Finding the Fourth Proportional to 253,689.36, 350,012.50 and 146,245.69
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Solution
The fourth proportional to 253,689.36, 350,012.50 and 146,245.69 is: 201,773.62
Step by Step Solution
- Step 1: Write the proportion equation
253,689.36 : 350,012.50 = 146,245.69 : x - Step 2: Convert to fraction form
253,689.36/350,012.50 = 146,245.69/x - Step 3: Cross multiply
253,689.36x = 350,012.50 × 146,245.69 - Step 4: Simplify right side
253,689.36x = 51,187,819,571.13 - Step 5: Solve for x
x = 51,187,819,571.13/253,689.36 - Step 6: Final answer
x = 201,773.62
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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.