Finding the Fourth Proportional to 329,542.08, 494,315.64 and 215,785.68
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Solution
The fourth proportional to 329,542.08, 494,315.64 and 215,785.68 is: 323,680.17
Step by Step Solution
- Step 1: Write the proportion equation
329,542.08 : 494,315.64 = 215,785.68 : x - Step 2: Convert to fraction form
329,542.08/494,315.64 = 215,785.68/x - Step 3: Cross multiply
329,542.08x = 494,315.64 × 215,785.68 - Step 4: Simplify right side
329,542.08x = 106,666,236,512.04 - Step 5: Solve for x
x = 106,666,236,512.04/329,542.08 - Step 6: Final answer
x = 323,680.17
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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.