Finding the Fourth Proportional to 422,438.99, 582,943.52 and 241,143.71
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Solution
The fourth proportional to 422,438.99, 582,943.52 and 241,143.71 is: 332,765.60
Step by Step Solution
- Step 1: Write the proportion equation
422,438.99 : 582,943.52 = 241,143.71 : x - Step 2: Convert to fraction form
422,438.99/582,943.52 = 241,143.71/x - Step 3: Cross multiply
422,438.99x = 582,943.52 × 241,143.71 - Step 4: Simplify right side
422,438.99x = 140,573,161,927.54 - Step 5: Solve for x
x = 140,573,161,927.54/422,438.99 - Step 6: Final answer
x = 332,765.60
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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.