Finding the Fourth Proportional to 128,926.38, 193,310.04 and 44,666.94
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Solution
The fourth proportional to 128,926.38, 193,310.04 and 44,666.94 is: 66,972.86
Step by Step Solution
- Step 1: Write the proportion equation
128,926.38 : 193,310.04 = 44,666.94 : x - Step 2: Convert to fraction form
128,926.38/193,310.04 = 44,666.94/x - Step 3: Cross multiply
128,926.38x = 193,310.04 × 44,666.94 - Step 4: Simplify right side
128,926.38x = 8,634,567,958.08 - Step 5: Solve for x
x = 8,634,567,958.08/128,926.38 - Step 6: Final answer
x = 66,972.86
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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.