Finding the Fourth Proportional to 256,882.24, 354,568.80 and 149,473.09
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Solution
The fourth proportional to 256,882.24, 354,568.80 and 149,473.09 is: 206,314.36
Step by Step Solution
- Step 1: Write the proportion equation
256,882.24 : 354,568.80 = 149,473.09 : x - Step 2: Convert to fraction form
256,882.24/354,568.80 = 149,473.09/x - Step 3: Cross multiply
256,882.24x = 354,568.80 × 149,473.09 - Step 4: Simplify right side
256,882.24x = 52,998,494,153.59 - Step 5: Solve for x
x = 52,998,494,153.59/256,882.24 - Step 6: Final answer
x = 206,314.36
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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.