Finding the Fourth Proportional to 214,810.87, 296,521.67 and 143,164.75
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Solution
The fourth proportional to 214,810.87, 296,521.67 and 143,164.75 is: 197,622.45
Step by Step Solution
- Step 1: Write the proportion equation
214,810.87 : 296,521.67 = 143,164.75 : x - Step 2: Convert to fraction form
214,810.87/296,521.67 = 143,164.75/x - Step 3: Cross multiply
214,810.87x = 296,521.67 × 143,164.75 - Step 4: Simplify right side
214,810.87x = 42,451,450,755.13 - Step 5: Solve for x
x = 42,451,450,755.13/214,810.87 - Step 6: Final answer
x = 197,622.45
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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.