Finding the Fourth Proportional to 245,440.80, 368,161.20 and 170,791.20
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Solution
The fourth proportional to 245,440.80, 368,161.20 and 170,791.20 is: 256,186.80
Step by Step Solution
- Step 1: Write the proportion equation
245,440.80 : 368,161.20 = 170,791.20 : x - Step 2: Convert to fraction form
245,440.80/368,161.20 = 170,791.20/x - Step 3: Cross multiply
245,440.80x = 368,161.20 × 170,791.20 - Step 4: Simplify right side
245,440.80x = 62,878,693,141.44 - Step 5: Solve for x
x = 62,878,693,141.44/245,440.80 - Step 6: Final answer
x = 256,186.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.