Finding the Fourth Proportional to 303,189.27, 454,783.42 and 103,493.08
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Solution
The fourth proportional to 303,189.27, 454,783.42 and 103,493.08 is: 155,239.45
Step by Step Solution
- Step 1: Write the proportion equation
303,189.27 : 454,783.42 = 103,493.08 : x - Step 2: Convert to fraction form
303,189.27/454,783.42 = 103,493.08/x - Step 3: Cross multiply
303,189.27x = 454,783.42 × 103,493.08 - Step 4: Simplify right side
303,189.27x = 47,066,936,868.73 - Step 5: Solve for x
x = 47,066,936,868.73/303,189.27 - Step 6: Final answer
x = 155,239.45
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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.