Finding the Fourth Proportional to 329,933.14, 455,317.82 and 193,942.13
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Solution
The fourth proportional to 329,933.14, 455,317.82 and 193,942.13 is: 267,646.07
Step by Step Solution
- Step 1: Write the proportion equation
329,933.14 : 455,317.82 = 193,942.13 : x - Step 2: Convert to fraction form
329,933.14/455,317.82 = 193,942.13/x - Step 3: Cross multiply
329,933.14x = 455,317.82 × 193,942.13 - Step 4: Simplify right side
329,933.14x = 88,305,306,868.05 - Step 5: Solve for x
x = 88,305,306,868.05/329,933.14 - Step 6: Final answer
x = 267,646.07
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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.