Finding the Fourth Proportional to 332,128.80, 498,193.20 and 219,935.70
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Solution
The fourth proportional to 332,128.80, 498,193.20 and 219,935.70 is: 329,903.55
Step by Step Solution
- Step 1: Write the proportion equation
332,128.80 : 498,193.20 = 219,935.70 : x - Step 2: Convert to fraction form
332,128.80/498,193.20 = 219,935.70/x - Step 3: Cross multiply
332,128.80x = 498,193.20 × 219,935.70 - Step 4: Simplify right side
332,128.80x = 109,570,470,177.24 - Step 5: Solve for x
x = 109,570,470,177.24/332,128.80 - Step 6: Final answer
x = 329,903.55
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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.