Finding the Fourth Proportional to 419,857.08, 629,668.53 and 116,178.09
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Solution
The fourth proportional to 419,857.08, 629,668.53 and 116,178.09 is: 174,234.74
Step by Step Solution
- Step 1: Write the proportion equation
419,857.08 : 629,668.53 = 116,178.09 : x - Step 2: Convert to fraction form
419,857.08/629,668.53 = 116,178.09/x - Step 3: Cross multiply
419,857.08x = 629,668.53 × 116,178.09 - Step 4: Simplify right side
419,857.08x = 73,153,687,148.51 - Step 5: Solve for x
x = 73,153,687,148.51/419,857.08 - Step 6: Final answer
x = 174,234.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.