Finding the Fourth Proportional to 454,921.80, 682,382.70 and 202,201.80
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Solution
The fourth proportional to 454,921.80, 682,382.70 and 202,201.80 is: 303,302.70
Step by Step Solution
- Step 1: Write the proportion equation
454,921.80 : 682,382.70 = 202,201.80 : x - Step 2: Convert to fraction form
454,921.80/682,382.70 = 202,201.80/x - Step 3: Cross multiply
454,921.80x = 682,382.70 × 202,201.80 - Step 4: Simplify right side
454,921.80x = 137,979,010,228.86 - Step 5: Solve for x
x = 137,979,010,228.86/454,921.80 - Step 6: Final answer
x = 303,302.70
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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.