Finding the Fourth Proportional to 149,814.08, 206,382.08 and 128,234.96
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Solution
The fourth proportional to 149,814.08, 206,382.08 and 128,234.96 is: 176,654.94
Step by Step Solution
- Step 1: Write the proportion equation
149,814.08 : 206,382.08 = 128,234.96 : x - Step 2: Convert to fraction form
149,814.08/206,382.08 = 128,234.96/x - Step 3: Cross multiply
149,814.08x = 206,382.08 × 128,234.96 - Step 4: Simplify right side
149,814.08x = 26,465,397,773.52 - Step 5: Solve for x
x = 26,465,397,773.52/149,814.08 - Step 6: Final answer
x = 176,654.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.