Finding the Fourth Proportional to 148,833.68, 205,394.18 and 80,850.65
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Solution
The fourth proportional to 148,833.68, 205,394.18 and 80,850.65 is: 111,575.90
Step by Step Solution
- Step 1: Write the proportion equation
148,833.68 : 205,394.18 = 80,850.65 : x - Step 2: Convert to fraction form
148,833.68/205,394.18 = 80,850.65/x - Step 3: Cross multiply
148,833.68x = 205,394.18 × 80,850.65 - Step 4: Simplify right side
148,833.68x = 16,606,251,527.99 - Step 5: Solve for x
x = 16,606,251,527.99/148,833.68 - Step 6: Final answer
x = 111,575.90
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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.