Finding the Fourth Proportional to 250,605.21, 345,833.69 and 135,882.71
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Solution
The fourth proportional to 250,605.21, 345,833.69 and 135,882.71 is: 187,517.32
Step by Step Solution
- Step 1: Write the proportion equation
250,605.21 : 345,833.69 = 135,882.71 : x - Step 2: Convert to fraction form
250,605.21/345,833.69 = 135,882.71/x - Step 3: Cross multiply
250,605.21x = 345,833.69 × 135,882.71 - Step 4: Simplify right side
250,605.21x = 46,992,816,597.92 - Step 5: Solve for x
x = 46,992,816,597.92/250,605.21 - Step 6: Final answer
x = 187,517.32
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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.