Finding the Fourth Proportional to 268,704.76, 403,060.61 and 79,122.03
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Solution
The fourth proportional to 268,704.76, 403,060.61 and 79,122.03 is: 118,684.07
Step by Step Solution
- Step 1: Write the proportion equation
268,704.76 : 403,060.61 = 79,122.03 : x - Step 2: Convert to fraction form
268,704.76/403,060.61 = 79,122.03/x - Step 3: Cross multiply
268,704.76x = 403,060.61 × 79,122.03 - Step 4: Simplify right side
268,704.76x = 31,890,973,676.24 - Step 5: Solve for x
x = 31,890,973,676.24/268,704.76 - Step 6: Final answer
x = 118,684.07
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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.