Finding the Fourth Proportional to 324,428.14, 447,680.04 and 188,458.36
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Solution
The fourth proportional to 324,428.14, 447,680.04 and 188,458.36 is: 260,054.65
Step by Step Solution
- Step 1: Write the proportion equation
324,428.14 : 447,680.04 = 188,458.36 : x - Step 2: Convert to fraction form
324,428.14/447,680.04 = 188,458.36/x - Step 3: Cross multiply
324,428.14x = 447,680.04 × 188,458.36 - Step 4: Simplify right side
324,428.14x = 84,369,046,143.13 - Step 5: Solve for x
x = 84,369,046,143.13/324,428.14 - Step 6: Final answer
x = 260,054.65
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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.