Finding the Fourth Proportional to 267,381.09, 400,863.46 and 132,351.99
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Solution
The fourth proportional to 267,381.09, 400,863.46 and 132,351.99 is: 198,424.94
Step by Step Solution
- Step 1: Write the proportion equation
267,381.09 : 400,863.46 = 132,351.99 : x - Step 2: Convert to fraction form
267,381.09/400,863.46 = 132,351.99/x - Step 3: Cross multiply
267,381.09x = 400,863.46 × 132,351.99 - Step 4: Simplify right side
267,381.09x = 53,055,076,649.29 - Step 5: Solve for x
x = 53,055,076,649.29/267,381.09 - Step 6: Final answer
x = 198,424.94
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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.