Finding the Fourth Proportional to 332,168.68, 458,393.70 and 198,029.80
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Solution
The fourth proportional to 332,168.68, 458,393.70 and 198,029.80 is: 273,281.67
Step by Step Solution
- Step 1: Write the proportion equation
332,168.68 : 458,393.70 = 198,029.80 : x - Step 2: Convert to fraction form
332,168.68/458,393.70 = 198,029.80/x - Step 3: Cross multiply
332,168.68x = 458,393.70 × 198,029.80 - Step 4: Simplify right side
332,168.68x = 90,775,612,732.26 - Step 5: Solve for x
x = 90,775,612,732.26/332,168.68 - Step 6: Final answer
x = 273,281.67
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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.