Finding the Fourth Proportional to 349,474.28, 482,271.99 and 198,571.28
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Solution
The fourth proportional to 349,474.28, 482,271.99 and 198,571.28 is: 274,026.94
Step by Step Solution
- Step 1: Write the proportion equation
349,474.28 : 482,271.99 = 198,571.28 : x - Step 2: Convert to fraction form
349,474.28/482,271.99 = 198,571.28/x - Step 3: Cross multiply
349,474.28x = 482,271.99 × 198,571.28 - Step 4: Simplify right side
349,474.28x = 95,765,366,362.45 - Step 5: Solve for x
x = 95,765,366,362.45/349,474.28 - Step 6: Final answer
x = 274,026.94
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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.