Finding the Fourth Proportional to 320,265.63, 441,680.26 and 265,731.42
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Solution
The fourth proportional to 320,265.63, 441,680.26 and 265,731.42 is: 366,471.80
Step by Step Solution
- Step 1: Write the proportion equation
320,265.63 : 441,680.26 = 265,731.42 : x - Step 2: Convert to fraction form
320,265.63/441,680.26 = 265,731.42/x - Step 3: Cross multiply
320,265.63x = 441,680.26 × 265,731.42 - Step 4: Simplify right side
320,265.63x = 117,368,321,681.54 - Step 5: Solve for x
x = 117,368,321,681.54/320,265.63 - Step 6: Final answer
x = 366,471.80
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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.