Finding the Fourth Proportional to 202,383.30, 303,574.95 and 143,285.70
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Solution
The fourth proportional to 202,383.30, 303,574.95 and 143,285.70 is: 214,928.55
Step by Step Solution
- Step 1: Write the proportion equation
202,383.30 : 303,574.95 = 143,285.70 : x - Step 2: Convert to fraction form
202,383.30/303,574.95 = 143,285.70/x - Step 3: Cross multiply
202,383.30x = 303,574.95 × 143,285.70 - Step 4: Simplify right side
202,383.30x = 43,497,949,213.22 - Step 5: Solve for x
x = 43,497,949,213.22/202,383.30 - Step 6: Final answer
x = 214,928.55
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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.