Finding the Fourth Proportional to 134,479.47, 201,660.88 and 45,709.14
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Solution
The fourth proportional to 134,479.47, 201,660.88 and 45,709.14 is: 68,543.89
Step by Step Solution
- Step 1: Write the proportion equation
134,479.47 : 201,660.88 = 45,709.14 : x - Step 2: Convert to fraction form
134,479.47/201,660.88 = 45,709.14/x - Step 3: Cross multiply
134,479.47x = 201,660.88 × 45,709.14 - Step 4: Simplify right side
134,479.47x = 9,217,745,396.44 - Step 5: Solve for x
x = 9,217,745,396.44/134,479.47 - Step 6: Final answer
x = 68,543.89
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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.