Finding the Fourth Proportional to 323,147.79, 484,943.19 and 112,785.75
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Solution
The fourth proportional to 323,147.79, 484,943.19 and 112,785.75 is: 169,255.94
Step by Step Solution
- Step 1: Write the proportion equation
323,147.79 : 484,943.19 = 112,785.75 : x - Step 2: Convert to fraction form
323,147.79/484,943.19 = 112,785.75/x - Step 3: Cross multiply
323,147.79x = 484,943.19 × 112,785.75 - Step 4: Simplify right side
323,147.79x = 54,694,681,391.54 - Step 5: Solve for x
x = 54,694,681,391.54/323,147.79 - Step 6: Final answer
x = 169,255.94
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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.