Finding the Fourth Proportional to 339,481.68, 468,289.86 and 211,935.84
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Solution
The fourth proportional to 339,481.68, 468,289.86 and 211,935.84 is: 292,349.81
Step by Step Solution
- Step 1: Write the proportion equation
339,481.68 : 468,289.86 = 211,935.84 : x - Step 2: Convert to fraction form
339,481.68/468,289.86 = 211,935.84/x - Step 3: Cross multiply
339,481.68x = 468,289.86 × 211,935.84 - Step 4: Simplify right side
339,481.68x = 99,247,404,842.58 - Step 5: Solve for x
x = 99,247,404,842.58/339,481.68 - Step 6: Final answer
x = 292,349.81
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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.