Finding the Fourth Proportional to 250,431.24, 345,591.36 and 135,707.16
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Solution
The fourth proportional to 250,431.24, 345,591.36 and 135,707.16 is: 187,273.85
Step by Step Solution
- Step 1: Write the proportion equation
250,431.24 : 345,591.36 = 135,707.16 : x - Step 2: Convert to fraction form
250,431.24/345,591.36 = 135,707.16/x - Step 3: Cross multiply
250,431.24x = 345,591.36 × 135,707.16 - Step 4: Simplify right side
250,431.24x = 46,899,221,986.14 - Step 5: Solve for x
x = 46,899,221,986.14/250,431.24 - Step 6: Final answer
x = 187,273.85
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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.