Finding the Fourth Proportional to 392,417.29, 541,546.22 and 220,348.99
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Solution
The fourth proportional to 392,417.29, 541,546.22 and 220,348.99 is: 304,087.42
Step by Step Solution
- Step 1: Write the proportion equation
392,417.29 : 541,546.22 = 220,348.99 : x - Step 2: Convert to fraction form
392,417.29/541,546.22 = 220,348.99/x - Step 3: Cross multiply
392,417.29x = 541,546.22 × 220,348.99 - Step 4: Simplify right side
392,417.29x = 119,329,162,615.32 - Step 5: Solve for x
x = 119,329,162,615.32/392,417.29 - Step 6: Final answer
x = 304,087.42
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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.