Finding the Fourth Proportional to 250,022.93, 345,029.21 and 135,299.12
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Solution
The fourth proportional to 250,022.93, 345,029.21 and 135,299.12 is: 186,711.47
Step by Step Solution
- Step 1: Write the proportion equation
250,022.93 : 345,029.21 = 135,299.12 : x - Step 2: Convert to fraction form
250,022.93/345,029.21 = 135,299.12/x - Step 3: Cross multiply
250,022.93x = 345,029.21 × 135,299.12 - Step 4: Simplify right side
250,022.93x = 46,682,149,180.74 - Step 5: Solve for x
x = 46,682,149,180.74/250,022.93 - Step 6: Final answer
x = 186,711.47
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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.