Finding the Fourth Proportional to 115,437.84, 173,187.36 and 36,553.44
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Solution
The fourth proportional to 115,437.84, 173,187.36 and 36,553.44 is: 54,839.85
Step by Step Solution
- Step 1: Write the proportion equation
115,437.84 : 173,187.36 = 36,553.44 : x - Step 2: Convert to fraction form
115,437.84/173,187.36 = 36,553.44/x - Step 3: Cross multiply
115,437.84x = 173,187.36 × 36,553.44 - Step 4: Simplify right side
115,437.84x = 6,330,593,772.52 - Step 5: Solve for x
x = 6,330,593,772.52/115,437.84 - Step 6: Final answer
x = 54,839.85
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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.