Finding the Fourth Proportional to 557,293.20, 835,939.80 and 202,318.80
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Solution
The fourth proportional to 557,293.20, 835,939.80 and 202,318.80 is: 303,478.20
Step by Step Solution
- Step 1: Write the proportion equation
557,293.20 : 835,939.80 = 202,318.80 : x - Step 2: Convert to fraction form
557,293.20/835,939.80 = 202,318.80/x - Step 3: Cross multiply
557,293.20x = 835,939.80 × 202,318.80 - Step 4: Simplify right side
557,293.20x = 169,126,337,208.24 - Step 5: Solve for x
x = 169,126,337,208.24/557,293.20 - Step 6: Final answer
x = 303,478.20
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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.