Finding the Fourth Proportional to 201,849.12, 302,772.18 and 52,076.70
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Solution
The fourth proportional to 201,849.12, 302,772.18 and 52,076.70 is: 78,114.66
Step by Step Solution
- Step 1: Write the proportion equation
201,849.12 : 302,772.18 = 52,076.70 : x - Step 2: Convert to fraction form
201,849.12/302,772.18 = 52,076.70/x - Step 3: Cross multiply
201,849.12x = 302,772.18 × 52,076.70 - Step 4: Simplify right side
201,849.12x = 15,767,375,986.21 - Step 5: Solve for x
x = 15,767,375,986.21/201,849.12 - Step 6: Final answer
x = 78,114.66
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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.