Finding the Fourth Proportional to 134,075.80, 201,113.70 and 40,581.55
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Solution
The fourth proportional to 134,075.80, 201,113.70 and 40,581.55 is: 60,872.33
Step by Step Solution
- Step 1: Write the proportion equation
134,075.80 : 201,113.70 = 40,581.55 : x - Step 2: Convert to fraction form
134,075.80/201,113.70 = 40,581.55/x - Step 3: Cross multiply
134,075.80x = 201,113.70 × 40,581.55 - Step 4: Simplify right side
134,075.80x = 8,161,505,672.24 - Step 5: Solve for x
x = 8,161,505,672.24/134,075.80 - Step 6: Final answer
x = 60,872.33
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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.