Finding the Fourth Proportional to 154,833.31, 213,591.18 and 101,149.75
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Solution
The fourth proportional to 154,833.31, 213,591.18 and 101,149.75 is: 139,535.18
Step by Step Solution
- Step 1: Write the proportion equation
154,833.31 : 213,591.18 = 101,149.75 : x - Step 2: Convert to fraction form
154,833.31/213,591.18 = 101,149.75/x - Step 3: Cross multiply
154,833.31x = 213,591.18 × 101,149.75 - Step 4: Simplify right side
154,833.31x = 21,604,694,459.21 - Step 5: Solve for x
x = 21,604,694,459.21/154,833.31 - Step 6: Final answer
x = 139,535.18
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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.