Finding the Fourth Proportional to 331,261.68, 456,988.26 and 195,202.68
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Solution
The fourth proportional to 331,261.68, 456,988.26 and 195,202.68 is: 269,289.62
Step by Step Solution
- Step 1: Write the proportion equation
331,261.68 : 456,988.26 = 195,202.68 : x - Step 2: Convert to fraction form
331,261.68/456,988.26 = 195,202.68/x - Step 3: Cross multiply
331,261.68x = 456,988.26 × 195,202.68 - Step 4: Simplify right side
331,261.68x = 89,205,333,080.54 - Step 5: Solve for x
x = 89,205,333,080.54/331,261.68 - Step 6: Final answer
x = 269,289.62
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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.