Finding the Fourth Proportional to 203,169.12, 304,750.44 and 55,425.12
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Solution
The fourth proportional to 203,169.12, 304,750.44 and 55,425.12 is: 83,136.80
Step by Step Solution
- Step 1: Write the proportion equation
203,169.12 : 304,750.44 = 55,425.12 : x - Step 2: Convert to fraction form
203,169.12/304,750.44 = 55,425.12/x - Step 3: Cross multiply
203,169.12x = 304,750.44 × 55,425.12 - Step 4: Simplify right side
203,169.12x = 16,890,829,707.05 - Step 5: Solve for x
x = 16,890,829,707.05/203,169.12 - Step 6: Final answer
x = 83,136.80
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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.