Finding the Fourth Proportional to 247,613.86, 340,942.01 and 193,385.08
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Solution
The fourth proportional to 247,613.86, 340,942.01 and 193,385.08 is: 266,273.86
Step by Step Solution
- Step 1: Write the proportion equation
247,613.86 : 340,942.01 = 193,385.08 : x - Step 2: Convert to fraction form
247,613.86/340,942.01 = 193,385.08/x - Step 3: Cross multiply
247,613.86x = 340,942.01 × 193,385.08 - Step 4: Simplify right side
247,613.86x = 65,933,097,879.21 - Step 5: Solve for x
x = 65,933,097,879.21/247,613.86 - Step 6: Final answer
x = 266,273.86
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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.