Finding the Fourth Proportional to 392,682.74, 541,843.14 and 220,567.74
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Solution
The fourth proportional to 392,682.74, 541,843.14 and 220,567.74 is: 304,350.32
Step by Step Solution
- Step 1: Write the proportion equation
392,682.74 : 541,843.14 = 220,567.74 : x - Step 2: Convert to fraction form
392,682.74/541,843.14 = 220,567.74/x - Step 3: Cross multiply
392,682.74x = 541,843.14 × 220,567.74 - Step 4: Simplify right side
392,682.74x = 119,513,116,824.30 - Step 5: Solve for x
x = 119,513,116,824.30/392,682.74 - Step 6: Final answer
x = 304,350.32
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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.