Finding the Fourth Proportional to 141,523.20, 212,288.04 and 36,343.08
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Solution
The fourth proportional to 141,523.20, 212,288.04 and 36,343.08 is: 54,515.45
Step by Step Solution
- Step 1: Write the proportion equation
141,523.20 : 212,288.04 = 36,343.08 : x - Step 2: Convert to fraction form
141,523.20/212,288.04 = 36,343.08/x - Step 3: Cross multiply
141,523.20x = 212,288.04 × 36,343.08 - Step 4: Simplify right side
141,523.20x = 7,715,201,220.76 - Step 5: Solve for x
x = 7,715,201,220.76/141,523.20 - Step 6: Final answer
x = 54,515.45
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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.