Finding the Fourth Proportional to 277,202.97, 415,855.74 and 87,711.05
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Solution
The fourth proportional to 277,202.97, 415,855.74 and 87,711.05 is: 131,582.79
Step by Step Solution
- Step 1: Write the proportion equation
277,202.97 : 415,855.74 = 87,711.05 : x - Step 2: Convert to fraction form
277,202.97/415,855.74 = 87,711.05/x - Step 3: Cross multiply
277,202.97x = 415,855.74 × 87,711.05 - Step 4: Simplify right side
277,202.97x = 36,475,141,524.65 - Step 5: Solve for x
x = 36,475,141,524.65/277,202.97 - Step 6: Final answer
x = 131,582.79
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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.