Finding the Fourth Proportional to 303,512.10, 454,903.65 and 125,927.70
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Solution
The fourth proportional to 303,512.10, 454,903.65 and 125,927.70 is: 188,740.32
Step by Step Solution
- Step 1: Write the proportion equation
303,512.10 : 454,903.65 = 125,927.70 : x - Step 2: Convert to fraction form
303,512.10/454,903.65 = 125,927.70/x - Step 3: Cross multiply
303,512.10x = 454,903.65 × 125,927.70 - Step 4: Simplify right side
303,512.10x = 57,284,970,366.11 - Step 5: Solve for x
x = 57,284,970,366.11/303,512.10 - Step 6: Final answer
x = 188,740.32
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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.