Finding the Fourth Proportional to 252,102.50, 347,896.99 and 137,382.17
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Solution
The fourth proportional to 252,102.50, 347,896.99 and 137,382.17 is: 189,584.96
Step by Step Solution
- Step 1: Write the proportion equation
252,102.50 : 347,896.99 = 137,382.17 : x - Step 2: Convert to fraction form
252,102.50/347,896.99 = 137,382.17/x - Step 3: Cross multiply
252,102.50x = 347,896.99 × 137,382.17 - Step 4: Simplify right side
252,102.50x = 47,794,843,948.96 - Step 5: Solve for x
x = 47,794,843,948.96/252,102.50 - Step 6: Final answer
x = 189,584.96
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1.5x scale
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.