Finding the Fourth Proportional to 206,926.08, 310,368.96 and 66,785.28
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Solution
The fourth proportional to 206,926.08, 310,368.96 and 66,785.28 is: 100,171.41
Step by Step Solution
- Step 1: Write the proportion equation
206,926.08 : 310,368.96 = 66,785.28 : x - Step 2: Convert to fraction form
206,926.08/310,368.96 = 66,785.28/x - Step 3: Cross multiply
206,926.08x = 310,368.96 × 66,785.28 - Step 4: Simplify right side
206,926.08x = 20,728,077,896.91 - Step 5: Solve for x
x = 20,728,077,896.91/206,926.08 - Step 6: Final answer
x = 100,171.41
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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.