Finding the Fourth Proportional to 303,293.70, 454,940.55 and 134,813.70
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Solution
The fourth proportional to 303,293.70, 454,940.55 and 134,813.70 is: 202,220.55
Step by Step Solution
- Step 1: Write the proportion equation
303,293.70 : 454,940.55 = 134,813.70 : x - Step 2: Convert to fraction form
303,293.70/454,940.55 = 134,813.70/x - Step 3: Cross multiply
303,293.70x = 454,940.55 × 134,813.70 - Step 4: Simplify right side
303,293.70x = 61,332,218,825.54 - Step 5: Solve for x
x = 61,332,218,825.54/303,293.70 - Step 6: Final answer
x = 202,220.55
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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.