Finding the Fourth Proportional to 250,239.31, 345,329.69 and 135,517.60
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Solution
The fourth proportional to 250,239.31, 345,329.69 and 135,517.60 is: 187,013.99
Step by Step Solution
- Step 1: Write the proportion equation
250,239.31 : 345,329.69 = 135,517.60 : x - Step 2: Convert to fraction form
250,239.31/345,329.69 = 135,517.60/x - Step 3: Cross multiply
250,239.31x = 345,329.69 × 135,517.60 - Step 4: Simplify right side
250,239.31x = 46,798,250,273.01 - Step 5: Solve for x
x = 46,798,250,273.01/250,239.31 - Step 6: Final answer
x = 187,013.99
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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.