Finding the Fourth Proportional to 416,814.81, 575,203.32 and 225,828.69
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Solution
The fourth proportional to 416,814.81, 575,203.32 and 225,828.69 is: 311,642.99
Step by Step Solution
- Step 1: Write the proportion equation
416,814.81 : 575,203.32 = 225,828.69 : x - Step 2: Convert to fraction form
416,814.81/575,203.32 = 225,828.69/x - Step 3: Cross multiply
416,814.81x = 575,203.32 × 225,828.69 - Step 4: Simplify right side
416,814.81x = 129,897,412,239.25 - Step 5: Solve for x
x = 129,897,412,239.25/416,814.81 - Step 6: Final answer
x = 311,642.99
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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.