Finding the Fourth Proportional to 385,167.68, 531,664.99 and 264,707.72
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Solution
The fourth proportional to 385,167.68, 531,664.99 and 264,707.72 is: 365,388.46
Step by Step Solution
- Step 1: Write the proportion equation
385,167.68 : 531,664.99 = 264,707.72 : x - Step 2: Convert to fraction form
385,167.68/531,664.99 = 264,707.72/x - Step 3: Cross multiply
385,167.68x = 531,664.99 × 264,707.72 - Step 4: Simplify right side
385,167.68x = 140,735,823,986.63 - Step 5: Solve for x
x = 140,735,823,986.63/385,167.68 - Step 6: Final answer
x = 365,388.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.