Finding the Fourth Proportional to 415,022.57, 622,621.34 and 134,517.95
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Solution
The fourth proportional to 415,022.57, 622,621.34 and 134,517.95 is: 201,805.28
Step by Step Solution
- Step 1: Write the proportion equation
415,022.57 : 622,621.34 = 134,517.95 : x - Step 2: Convert to fraction form
415,022.57/622,621.34 = 134,517.95/x - Step 3: Cross multiply
415,022.57x = 622,621.34 × 134,517.95 - Step 4: Simplify right side
415,022.57x = 83,753,746,283.05 - Step 5: Solve for x
x = 83,753,746,283.05/415,022.57 - Step 6: Final answer
x = 201,805.28
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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.