Finding the Fourth Proportional to 205,612.28, 283,729.32 and 125,028.68
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Solution
The fourth proportional to 205,612.28, 283,729.32 and 125,028.68 is: 172,530.08
Step by Step Solution
- Step 1: Write the proportion equation
205,612.28 : 283,729.32 = 125,028.68 : x - Step 2: Convert to fraction form
205,612.28/283,729.32 = 125,028.68/x - Step 3: Cross multiply
205,612.28x = 283,729.32 × 125,028.68 - Step 4: Simplify right side
205,612.28x = 35,474,302,356.90 - Step 5: Solve for x
x = 35,474,302,356.90/205,612.28 - Step 6: Final answer
x = 172,530.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.