Finding the Fourth Proportional to 269,142.62, 403,963.61 and 136,117.13
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Solution
The fourth proportional to 269,142.62, 403,963.61 and 136,117.13 is: 204,301.96
Step by Step Solution
- Step 1: Write the proportion equation
269,142.62 : 403,963.61 = 136,117.13 : x - Step 2: Convert to fraction form
269,142.62/403,963.61 = 136,117.13/x - Step 3: Cross multiply
269,142.62x = 403,963.61 × 136,117.13 - Step 4: Simplify right side
269,142.62x = 54,986,364,517.24 - Step 5: Solve for x
x = 54,986,364,517.24/269,142.62 - Step 6: Final answer
x = 204,301.96
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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.