Finding the Fourth Proportional to 274,240.88, 378,450.23 and 153,382.07
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Solution
The fourth proportional to 274,240.88, 378,450.23 and 153,382.07 is: 211,666.03
Step by Step Solution
- Step 1: Write the proportion equation
274,240.88 : 378,450.23 = 153,382.07 : x - Step 2: Convert to fraction form
274,240.88/378,450.23 = 153,382.07/x - Step 3: Cross multiply
274,240.88x = 378,450.23 × 153,382.07 - Step 4: Simplify right side
274,240.88x = 58,047,477,010.21 - Step 5: Solve for x
x = 58,047,477,010.21/274,240.88 - Step 6: Final answer
x = 211,666.03
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1.5x scale
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.