Finding the Fourth Proportional to 483,609.80, 725,414.70 and 188,121.80
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Solution
The fourth proportional to 483,609.80, 725,414.70 and 188,121.80 is: 282,182.70
Step by Step Solution
- Step 1: Write the proportion equation
483,609.80 : 725,414.70 = 188,121.80 : x - Step 2: Convert to fraction form
483,609.80/725,414.70 = 188,121.80/x - Step 3: Cross multiply
483,609.80x = 725,414.70 × 188,121.80 - Step 4: Simplify right side
483,609.80x = 136,466,319,110.46 - Step 5: Solve for x
x = 136,466,319,110.46/483,609.80 - Step 6: Final answer
x = 282,182.70
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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.