Finding the Fourth Proportional to 209,876.70, 314,815.05 and 201,711.90
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Solution
The fourth proportional to 209,876.70, 314,815.05 and 201,711.90 is: 302,567.85
Step by Step Solution
- Step 1: Write the proportion equation
209,876.70 : 314,815.05 = 201,711.90 : x - Step 2: Convert to fraction form
209,876.70/314,815.05 = 201,711.90/x - Step 3: Cross multiply
209,876.70x = 314,815.05 × 201,711.90 - Step 4: Simplify right side
209,876.70x = 63,501,941,884.10 - Step 5: Solve for x
x = 63,501,941,884.10/209,876.70 - Step 6: Final answer
x = 302,567.85
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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.