Finding the Fourth Proportional to 134,340.16, 201,437.30 and 66,723.88
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Solution
The fourth proportional to 134,340.16, 201,437.30 and 66,723.88 is: 100,049.59
Step by Step Solution
- Step 1: Write the proportion equation
134,340.16 : 201,437.30 = 66,723.88 : x - Step 2: Convert to fraction form
134,340.16/201,437.30 = 66,723.88/x - Step 3: Cross multiply
134,340.16x = 201,437.30 × 66,723.88 - Step 4: Simplify right side
134,340.16x = 13,440,678,232.72 - Step 5: Solve for x
x = 13,440,678,232.72/134,340.16 - Step 6: Final answer
x = 100,049.59
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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.