Finding the Fourth Proportional to 485,382.53, 669,850.71 and 270,524.09
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Solution
The fourth proportional to 485,382.53, 669,850.71 and 270,524.09 is: 373,335.96
Step by Step Solution
- Step 1: Write the proportion equation
485,382.53 : 669,850.71 = 270,524.09 : x - Step 2: Convert to fraction form
485,382.53/669,850.71 = 270,524.09/x - Step 3: Cross multiply
485,382.53x = 669,850.71 × 270,524.09 - Step 4: Simplify right side
485,382.53x = 181,210,753,758.60 - Step 5: Solve for x
x = 181,210,753,758.60/485,382.53 - Step 6: Final answer
x = 373,335.96
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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.