Finding the Fourth Proportional to 416,867.49, 575,276.68 and 225,880.88
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Solution
The fourth proportional to 416,867.49, 575,276.68 and 225,880.88 is: 311,715.37
Step by Step Solution
- Step 1: Write the proportion equation
416,867.49 : 575,276.68 = 225,880.88 : x - Step 2: Convert to fraction form
416,867.49/575,276.68 = 225,880.88/x - Step 3: Cross multiply
416,867.49x = 575,276.68 × 225,880.88 - Step 4: Simplify right side
416,867.49x = 129,944,001,745.81 - Step 5: Solve for x
x = 129,944,001,745.81/416,867.49 - Step 6: Final answer
x = 311,715.37
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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.