Finding the Fourth Proportional to 234,321.20, 351,409.10 and 84,542.07
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Solution
The fourth proportional to 234,321.20, 351,409.10 and 84,542.07 is: 126,786.88
Step by Step Solution
- Step 1: Write the proportion equation
234,321.20 : 351,409.10 = 84,542.07 : x - Step 2: Convert to fraction form
234,321.20/351,409.10 = 84,542.07/x - Step 3: Cross multiply
234,321.20x = 351,409.10 × 84,542.07 - Step 4: Simplify right side
234,321.20x = 29,708,852,308.13 - Step 5: Solve for x
x = 29,708,852,308.13/234,321.20 - Step 6: Final answer
x = 126,786.88
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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.