Finding the Fourth Proportional to 76,782.53, 115,207.26 and 26,898.41
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Solution
The fourth proportional to 76,782.53, 115,207.26 and 26,898.41 is: 40,359.34
Step by Step Solution
- Step 1: Write the proportion equation
76,782.53 : 115,207.26 = 26,898.41 : x - Step 2: Convert to fraction form
76,782.53/115,207.26 = 26,898.41/x - Step 3: Cross multiply
76,782.53x = 115,207.26 × 26,898.41 - Step 4: Simplify right side
76,782.53x = 3,098,892,114.46 - Step 5: Solve for x
x = 3,098,892,114.46/76,782.53 - Step 6: Final answer
x = 40,359.34
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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.