Finding the Fourth Proportional to 284,030.91, 426,542.36 and 261,810.99
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Solution
The fourth proportional to 284,030.91, 426,542.36 and 261,810.99 is: 393,173.67
Step by Step Solution
- Step 1: Write the proportion equation
284,030.91 : 426,542.36 = 261,810.99 : x - Step 2: Convert to fraction form
284,030.91/426,542.36 = 261,810.99/x - Step 3: Cross multiply
284,030.91x = 426,542.36 × 261,810.99 - Step 4: Simplify right side
284,030.91x = 111,673,476,239.48 - Step 5: Solve for x
x = 111,673,476,239.48/284,030.91 - Step 6: Final answer
x = 393,173.67
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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.