Finding the Fourth Proportional to 236,103.14, 325,818.09 and 128,674.05
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Solution
The fourth proportional to 236,103.14, 325,818.09 and 128,674.05 is: 177,567.88
Step by Step Solution
- Step 1: Write the proportion equation
236,103.14 : 325,818.09 = 128,674.05 : x - Step 2: Convert to fraction form
236,103.14/325,818.09 = 128,674.05/x - Step 3: Cross multiply
236,103.14x = 325,818.09 × 128,674.05 - Step 4: Simplify right side
236,103.14x = 41,924,333,203.56 - Step 5: Solve for x
x = 41,924,333,203.56/236,103.14 - Step 6: Final answer
x = 177,567.88
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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.