Finding the Fourth Proportional to 557,143.68, 836,121.33 and 202,186.29
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Solution
The fourth proportional to 557,143.68, 836,121.33 and 202,186.29 is: 303,426.70
Step by Step Solution
- Step 1: Write the proportion equation
557,143.68 : 836,121.33 = 202,186.29 : x - Step 2: Convert to fraction form
557,143.68/836,121.33 = 202,186.29/x - Step 3: Cross multiply
557,143.68x = 836,121.33 × 202,186.29 - Step 4: Simplify right side
557,143.68x = 169,052,269,702.57 - Step 5: Solve for x
x = 169,052,269,702.57/557,143.68 - Step 6: Final answer
x = 303,426.70
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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.