Finding the Fourth Proportional to 557,235.70, 835,853.55 and 202,261.30
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Solution
The fourth proportional to 557,235.70, 835,853.55 and 202,261.30 is: 303,391.95
Step by Step Solution
- Step 1: Write the proportion equation
557,235.70 : 835,853.55 = 202,261.30 : x - Step 2: Convert to fraction form
557,235.70/835,853.55 = 202,261.30/x - Step 3: Cross multiply
557,235.70x = 835,853.55 × 202,261.30 - Step 4: Simplify right side
557,235.70x = 169,060,825,632.62 - Step 5: Solve for x
x = 169,060,825,632.62/557,235.70 - Step 6: Final answer
x = 303,391.95
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Similar ratio
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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.