Finding the Fourth Proportional to 355,760.27, 490,975.80 and 202,802.09
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Solution
The fourth proportional to 355,760.27, 490,975.80 and 202,802.09 is: 279,882.07
Step by Step Solution
- Step 1: Write the proportion equation
355,760.27 : 490,975.80 = 202,802.09 : x - Step 2: Convert to fraction form
355,760.27/490,975.80 = 202,802.09/x - Step 3: Cross multiply
355,760.27x = 490,975.80 × 202,802.09 - Step 4: Simplify right side
355,760.27x = 99,570,919,606.86 - Step 5: Solve for x
x = 99,570,919,606.86/355,760.27 - Step 6: Final answer
x = 279,882.07
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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.