Finding the Fourth Proportional to 277,286.23, 415,869.29 and 87,762.00
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Solution
The fourth proportional to 277,286.23, 415,869.29 and 87,762.00 is: 131,624.00
Step by Step Solution
- Step 1: Write the proportion equation
277,286.23 : 415,869.29 = 87,762.00 : x - Step 2: Convert to fraction form
277,286.23/415,869.29 = 87,762.00/x - Step 3: Cross multiply
277,286.23x = 415,869.29 × 87,762.00 - Step 4: Simplify right side
277,286.23x = 36,497,522,078.79 - Step 5: Solve for x
x = 36,497,522,078.79/277,286.23 - Step 6: Final answer
x = 131,624.00
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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.