Finding the Fourth Proportional to 323,125.11, 445,622.36 and 202,277.40
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Solution
The fourth proportional to 323,125.11, 445,622.36 and 202,277.40 is: 278,961.09
Step by Step Solution
- Step 1: Write the proportion equation
323,125.11 : 445,622.36 = 202,277.40 : x - Step 2: Convert to fraction form
323,125.11/445,622.36 = 202,277.40/x - Step 3: Cross multiply
323,125.11x = 445,622.36 × 202,277.40 - Step 4: Simplify right side
323,125.11x = 90,139,331,351.28 - Step 5: Solve for x
x = 90,139,331,351.28/323,125.11 - Step 6: Final answer
x = 278,961.09
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1.5x scale
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.