Finding the Fourth Proportional to 413,119.44, 619,591.68 and 132,571.08
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Solution
The fourth proportional to 413,119.44, 619,591.68 and 132,571.08 is: 198,828.55
Step by Step Solution
- Step 1: Write the proportion equation
413,119.44 : 619,591.68 = 132,571.08 : x - Step 2: Convert to fraction form
413,119.44/619,591.68 = 132,571.08/x - Step 3: Cross multiply
413,119.44x = 619,591.68 × 132,571.08 - Step 4: Simplify right side
413,119.44x = 82,139,938,176.61 - Step 5: Solve for x
x = 82,139,938,176.61/413,119.44 - Step 6: Final answer
x = 198,828.55
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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.