Finding the Fourth Proportional to 429,668.88, 644,457.96 and 114,157.68
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Solution
The fourth proportional to 429,668.88, 644,457.96 and 114,157.68 is: 171,224.47
Step by Step Solution
- Step 1: Write the proportion equation
429,668.88 : 644,457.96 = 114,157.68 : x - Step 2: Convert to fraction form
429,668.88/644,457.96 = 114,157.68/x - Step 3: Cross multiply
429,668.88x = 644,457.96 × 114,157.68 - Step 4: Simplify right side
429,668.88x = 73,569,825,571.13 - Step 5: Solve for x
x = 73,569,825,571.13/429,668.88 - Step 6: Final answer
x = 171,224.47
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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.