Finding the Fourth Proportional to 149,314.07, 206,053.42 and 82,246.07
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Solution
The fourth proportional to 149,314.07, 206,053.42 and 82,246.07 is: 113,499.58
Step by Step Solution
- Step 1: Write the proportion equation
149,314.07 : 206,053.42 = 82,246.07 : x - Step 2: Convert to fraction form
149,314.07/206,053.42 = 82,246.07/x - Step 3: Cross multiply
149,314.07x = 206,053.42 × 82,246.07 - Step 4: Simplify right side
149,314.07x = 16,947,082,974.79 - Step 5: Solve for x
x = 16,947,082,974.79/149,314.07 - Step 6: Final answer
x = 113,499.58
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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.