Finding the Fourth Proportional to 325,125.53, 487,639.02 and 88,486.65
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Solution
The fourth proportional to 325,125.53, 487,639.02 and 88,486.65 is: 132,716.56
Step by Step Solution
- Step 1: Write the proportion equation
325,125.53 : 487,639.02 = 88,486.65 : x - Step 2: Convert to fraction form
325,125.53/487,639.02 = 88,486.65/x - Step 3: Cross multiply
325,125.53x = 487,639.02 × 88,486.65 - Step 4: Simplify right side
325,125.53x = 43,149,543,289.08 - Step 5: Solve for x
x = 43,149,543,289.08/325,125.53 - Step 6: Final answer
x = 132,716.56
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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.