Finding the Fourth Proportional to 119,163.90, 178,770.36 and 34,926.78
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Solution
The fourth proportional to 119,163.90, 178,770.36 and 34,926.78 is: 52,397.35
Step by Step Solution
- Step 1: Write the proportion equation
119,163.90 : 178,770.36 = 34,926.78 : x - Step 2: Convert to fraction form
119,163.90/178,770.36 = 34,926.78/x - Step 3: Cross multiply
119,163.90x = 178,770.36 × 34,926.78 - Step 4: Simplify right side
119,163.90x = 6,243,873,034.24 - Step 5: Solve for x
x = 6,243,873,034.24/119,163.90 - Step 6: Final answer
x = 52,397.35
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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.