Finding the Fourth Proportional to 209,917.70, 314,876.55 and 201,169.70
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Solution
The fourth proportional to 209,917.70, 314,876.55 and 201,169.70 is: 301,754.55
Step by Step Solution
- Step 1: Write the proportion equation
209,917.70 : 314,876.55 = 201,169.70 : x - Step 2: Convert to fraction form
209,917.70/314,876.55 = 201,169.70/x - Step 3: Cross multiply
209,917.70x = 314,876.55 × 201,169.70 - Step 4: Simplify right side
209,917.70x = 63,343,621,100.54 - Step 5: Solve for x
x = 63,343,621,100.54/209,917.70 - Step 6: Final answer
x = 301,754.55
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1.5x scale
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.