Finding the Fourth Proportional to 135,711.38, 203,377.44 and 115,616.18
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Solution
The fourth proportional to 135,711.38, 203,377.44 and 115,616.18 is: 173,262.72
Step by Step Solution
- Step 1: Write the proportion equation
135,711.38 : 203,377.44 = 115,616.18 : x - Step 2: Convert to fraction form
135,711.38/203,377.44 = 115,616.18/x - Step 3: Cross multiply
135,711.38x = 203,377.44 × 115,616.18 - Step 4: Simplify right side
135,711.38x = 23,513,722,710.98 - Step 5: Solve for x
x = 23,513,722,710.98/135,711.38 - Step 6: Final answer
x = 173,262.72
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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.