Finding the Fourth Proportional to 356,077.24, 491,392.68 and 220,107.68
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Solution
The fourth proportional to 356,077.24, 491,392.68 and 220,107.68 is: 303,752.36
Step by Step Solution
- Step 1: Write the proportion equation
356,077.24 : 491,392.68 = 220,107.68 : x - Step 2: Convert to fraction form
356,077.24/491,392.68 = 220,107.68/x - Step 3: Cross multiply
356,077.24x = 491,392.68 × 220,107.68 - Step 4: Simplify right side
356,077.24x = 108,159,301,324.14 - Step 5: Solve for x
x = 108,159,301,324.14/356,077.24 - Step 6: Final answer
x = 303,752.36
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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.