Finding the Fourth Proportional to 134,158.44, 201,231.66 and 39,384.84
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Solution
The fourth proportional to 134,158.44, 201,231.66 and 39,384.84 is: 59,075.50
Step by Step Solution
- Step 1: Write the proportion equation
134,158.44 : 201,231.66 = 39,384.84 : x - Step 2: Convert to fraction form
134,158.44/201,231.66 = 39,384.84/x - Step 3: Cross multiply
134,158.44x = 201,231.66 × 39,384.84 - Step 4: Simplify right side
134,158.44x = 7,925,476,732.03 - Step 5: Solve for x
x = 7,925,476,732.03/134,158.44 - Step 6: Final answer
x = 59,075.50
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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.