Finding the Fourth Proportional to 408,892.14, 613,344.69 and 124,588.62
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Solution
The fourth proportional to 408,892.14, 613,344.69 and 124,588.62 is: 186,884.90
Step by Step Solution
- Step 1: Write the proportion equation
408,892.14 : 613,344.69 = 124,588.62 : x - Step 2: Convert to fraction form
408,892.14/613,344.69 = 124,588.62/x - Step 3: Cross multiply
408,892.14x = 613,344.69 × 124,588.62 - Step 4: Simplify right side
408,892.14x = 76,415,768,511.43 - Step 5: Solve for x
x = 76,415,768,511.43/408,892.14 - Step 6: Final answer
x = 186,884.90
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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.