Finding the Fourth Proportional to 389,491.52, 582,699.95 and 294,993.99
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Solution
The fourth proportional to 389,491.52, 582,699.95 and 294,993.99 is: 441,326.64
Step by Step Solution
- Step 1: Write the proportion equation
389,491.52 : 582,699.95 = 294,993.99 : x - Step 2: Convert to fraction form
389,491.52/582,699.95 = 294,993.99/x - Step 3: Cross multiply
389,491.52x = 582,699.95 × 294,993.99 - Step 4: Simplify right side
389,491.52x = 171,892,981,748.33 - Step 5: Solve for x
x = 171,892,981,748.33/389,491.52 - Step 6: Final answer
x = 441,326.64
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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.