Finding the Fourth Proportional to 134,075.84, 201,198.47 and 74,950.29
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Solution
The fourth proportional to 134,075.84, 201,198.47 and 74,950.29 is: 112,472.79
Step by Step Solution
- Step 1: Write the proportion equation
134,075.84 : 201,198.47 = 74,950.29 : x - Step 2: Convert to fraction form
134,075.84/201,198.47 = 74,950.29/x - Step 3: Cross multiply
134,075.84x = 201,198.47 × 74,950.29 - Step 4: Simplify right side
134,075.84x = 15,079,883,299.30 - Step 5: Solve for x
x = 15,079,883,299.30/134,075.84 - Step 6: Final answer
x = 112,472.79
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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.