Finding the Fourth Proportional to 417,338.11, 575,939.63 and 236,046.49
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Solution
The fourth proportional to 417,338.11, 575,939.63 and 236,046.49 is: 325,751.53
Step by Step Solution
- Step 1: Write the proportion equation
417,338.11 : 575,939.63 = 236,046.49 : x - Step 2: Convert to fraction form
417,338.11/575,939.63 = 236,046.49/x - Step 3: Cross multiply
417,338.11x = 575,939.63 × 236,046.49 - Step 4: Simplify right side
417,338.11x = 135,948,528,113.40 - Step 5: Solve for x
x = 135,948,528,113.40/417,338.11 - Step 6: Final answer
x = 325,751.53
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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.