Finding the Fourth Proportional to 134,121.30, 201,122.55 and 45,350.70
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Solution
The fourth proportional to 134,121.30, 201,122.55 and 45,350.70 is: 68,005.96
Step by Step Solution
- Step 1: Write the proportion equation
134,121.30 : 201,122.55 = 45,350.70 : x - Step 2: Convert to fraction form
134,121.30/201,122.55 = 45,350.70/x - Step 3: Cross multiply
134,121.30x = 201,122.55 × 45,350.70 - Step 4: Simplify right side
134,121.30x = 9,121,048,428.29 - Step 5: Solve for x
x = 9,121,048,428.29/134,121.30 - Step 6: Final answer
x = 68,005.96
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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.