Finding the Fourth Proportional to 297,843.09, 446,797.31 and 129,247.53
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Solution
The fourth proportional to 297,843.09, 446,797.31 and 129,247.53 is: 193,885.47
Step by Step Solution
- Step 1: Write the proportion equation
297,843.09 : 446,797.31 = 129,247.53 : x - Step 2: Convert to fraction form
297,843.09/446,797.31 = 129,247.53/x - Step 3: Cross multiply
297,843.09x = 446,797.31 × 129,247.53 - Step 4: Simplify right side
297,843.09x = 57,747,448,081.91 - Step 5: Solve for x
x = 57,747,448,081.91/297,843.09 - Step 6: Final answer
x = 193,885.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.