Finding the Fourth Proportional to 454,957.40, 682,578.26 and 135,111.08
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Solution
The fourth proportional to 454,957.40, 682,578.26 and 135,111.08 is: 202,708.84
Step by Step Solution
- Step 1: Write the proportion equation
454,957.40 : 682,578.26 = 135,111.08 : x - Step 2: Convert to fraction form
454,957.40/682,578.26 = 135,111.08/x - Step 3: Cross multiply
454,957.40x = 682,578.26 × 135,111.08 - Step 4: Simplify right side
454,957.40x = 92,223,885,893.12 - Step 5: Solve for x
x = 92,223,885,893.12/454,957.40 - Step 6: Final answer
x = 202,708.84
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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.