Finding the Fourth Proportional to 250,149.24, 345,206.52 and 135,429.09
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Solution
The fourth proportional to 250,149.24, 345,206.52 and 135,429.09 is: 186,892.45
Step by Step Solution
- Step 1: Write the proportion equation
250,149.24 : 345,206.52 = 135,429.09 : x - Step 2: Convert to fraction form
250,149.24/345,206.52 = 135,429.09/x - Step 3: Cross multiply
250,149.24x = 345,206.52 × 135,429.09 - Step 4: Simplify right side
250,149.24x = 46,751,004,865.67 - Step 5: Solve for x
x = 46,751,004,865.67/250,149.24 - Step 6: Final answer
x = 186,892.45
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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.