Finding the Fourth Proportional to 209,917.80, 314,876.70 and 201,169.80
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Solution
The fourth proportional to 209,917.80, 314,876.70 and 201,169.80 is: 301,754.70
Step by Step Solution
- Step 1: Write the proportion equation
209,917.80 : 314,876.70 = 201,169.80 : x - Step 2: Convert to fraction form
209,917.80/314,876.70 = 201,169.80/x - Step 3: Cross multiply
209,917.80x = 314,876.70 × 201,169.80 - Step 4: Simplify right side
209,917.80x = 63,343,682,763.66 - Step 5: Solve for x
x = 63,343,682,763.66/209,917.80 - Step 6: Final answer
x = 301,754.70
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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.