Finding the Fourth Proportional to 209,955.70, 314,933.55 and 183,711.70
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Solution
The fourth proportional to 209,955.70, 314,933.55 and 183,711.70 is: 275,567.55
Step by Step Solution
- Step 1: Write the proportion equation
209,955.70 : 314,933.55 = 183,711.70 : x - Step 2: Convert to fraction form
209,955.70/314,933.55 = 183,711.70/x - Step 3: Cross multiply
209,955.70x = 314,933.55 × 183,711.70 - Step 4: Simplify right side
209,955.70x = 57,856,977,857.54 - Step 5: Solve for x
x = 57,856,977,857.54/209,955.70 - Step 6: Final answer
x = 275,567.55
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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.