Finding the Fourth Proportional to 416,798.70, 575,182.77 and 225,812.09
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Solution
The fourth proportional to 416,798.70, 575,182.77 and 225,812.09 is: 311,620.99
Step by Step Solution
- Step 1: Write the proportion equation
416,798.70 : 575,182.77 = 225,812.09 : x - Step 2: Convert to fraction form
416,798.70/575,182.77 = 225,812.09/x - Step 3: Cross multiply
416,798.70x = 575,182.77 × 225,812.09 - Step 4: Simplify right side
416,798.70x = 129,883,223,425.69 - Step 5: Solve for x
x = 129,883,223,425.69/416,798.70 - Step 6: Final answer
x = 311,620.99
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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.