Finding the Fourth Proportional to 415,179.18, 573,040.53 and 271,855.98
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Solution
The fourth proportional to 415,179.18, 573,040.53 and 271,855.98 is: 375,222.32
Step by Step Solution
- Step 1: Write the proportion equation
415,179.18 : 573,040.53 = 271,855.98 : x - Step 2: Convert to fraction form
415,179.18/573,040.53 = 271,855.98/x - Step 3: Cross multiply
415,179.18x = 573,040.53 × 271,855.98 - Step 4: Simplify right side
415,179.18x = 155,784,494,862.87 - Step 5: Solve for x
x = 155,784,494,862.87/415,179.18 - Step 6: Final answer
x = 375,222.32
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1.5x scale
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.