Finding the Fourth Proportional to 426,723.53, 640,400.24 and 202,083.53
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Solution
The fourth proportional to 426,723.53, 640,400.24 and 202,083.53 is: 303,274.44
Step by Step Solution
- Step 1: Write the proportion equation
426,723.53 : 640,400.24 = 202,083.53 : x - Step 2: Convert to fraction form
426,723.53/640,400.24 = 202,083.53/x - Step 3: Cross multiply
426,723.53x = 640,400.24 × 202,083.53 - Step 4: Simplify right side
426,723.53x = 129,414,336,899.63 - Step 5: Solve for x
x = 129,414,336,899.63/426,723.53 - Step 6: Final answer
x = 303,274.44
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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.