Finding the Fourth Proportional to 352,716.71, 486,888.66 and 245,349.05
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Solution
The fourth proportional to 352,716.71, 486,888.66 and 245,349.05 is: 338,678.79
Step by Step Solution
- Step 1: Write the proportion equation
352,716.71 : 486,888.66 = 245,349.05 : x - Step 2: Convert to fraction form
352,716.71/486,888.66 = 245,349.05/x - Step 3: Cross multiply
352,716.71x = 486,888.66 × 245,349.05 - Step 4: Simplify right side
352,716.71x = 119,457,667,752.33 - Step 5: Solve for x
x = 119,457,667,752.33/352,716.71 - Step 6: Final answer
x = 338,678.79
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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.