Finding the Fourth Proportional to 392,618.88, 541,816.62 and 222,855.84
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Solution
The fourth proportional to 392,618.88, 541,816.62 and 222,855.84 is: 307,542.52
Step by Step Solution
- Step 1: Write the proportion equation
392,618.88 : 541,816.62 = 222,855.84 : x - Step 2: Convert to fraction form
392,618.88/541,816.62 = 222,855.84/x - Step 3: Cross multiply
392,618.88x = 541,816.62 × 222,855.84 - Step 4: Simplify right side
392,618.88x = 120,746,997,976.06 - Step 5: Solve for x
x = 120,746,997,976.06/392,618.88 - Step 6: Final answer
x = 307,542.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.