Finding the Fourth Proportional to 339,135.66, 468,013.07 and 186,188.09
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Solution
The fourth proportional to 339,135.66, 468,013.07 and 186,188.09 is: 256,942.78
Step by Step Solution
- Step 1: Write the proportion equation
339,135.66 : 468,013.07 = 186,188.09 : x - Step 2: Convert to fraction form
339,135.66/468,013.07 = 186,188.09/x - Step 3: Cross multiply
339,135.66x = 468,013.07 × 186,188.09 - Step 4: Simplify right side
339,135.66x = 87,138,457,723.74 - Step 5: Solve for x
x = 87,138,457,723.74/339,135.66 - Step 6: Final answer
x = 256,942.78
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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.