Finding the Fourth Proportional to 465,112.08, 641,954.63 and 283,785.08
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Solution
The fourth proportional to 465,112.08, 641,954.63 and 283,785.08 is: 391,684.39
Step by Step Solution
- Step 1: Write the proportion equation
465,112.08 : 641,954.63 = 283,785.08 : x - Step 2: Convert to fraction form
465,112.08/641,954.63 = 283,785.08/x - Step 3: Cross multiply
465,112.08x = 641,954.63 × 283,785.08 - Step 4: Simplify right side
465,112.08x = 182,177,143,530.61 - Step 5: Solve for x
x = 182,177,143,530.61/465,112.08 - Step 6: Final answer
x = 391,684.39
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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.