Finding the Fourth Proportional to 451,099.13, 622,516.79 and 269,818.70
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Solution
The fourth proportional to 451,099.13, 622,516.79 and 269,818.70 is: 372,349.80
Step by Step Solution
- Step 1: Write the proportion equation
451,099.13 : 622,516.79 = 269,818.70 : x - Step 2: Convert to fraction form
451,099.13/622,516.79 = 269,818.70/x - Step 3: Cross multiply
451,099.13x = 622,516.79 × 269,818.70 - Step 4: Simplify right side
451,099.13x = 167,966,668,567.94 - Step 5: Solve for x
x = 167,966,668,567.94/451,099.13 - Step 6: Final answer
x = 372,349.80
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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.