Finding the Fourth Proportional to 401,497.75, 554,087.19 and 220,226.54
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Solution
The fourth proportional to 401,497.75, 554,087.19 and 220,226.54 is: 303,923.76
Step by Step Solution
- Step 1: Write the proportion equation
401,497.75 : 554,087.19 = 220,226.54 : x - Step 2: Convert to fraction form
401,497.75/554,087.19 = 220,226.54/x - Step 3: Cross multiply
401,497.75x = 554,087.19 × 220,226.54 - Step 4: Simplify right side
401,497.75x = 122,024,706,097.24 - Step 5: Solve for x
x = 122,024,706,097.24/401,497.75 - Step 6: Final answer
x = 303,923.76
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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.