Finding the Fourth Proportional to 349,563.28, 482,438.36 and 198,682.96
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Solution
The fourth proportional to 349,563.28, 482,438.36 and 198,682.96 is: 274,205.81
Step by Step Solution
- Step 1: Write the proportion equation
349,563.28 : 482,438.36 = 198,682.96 : x - Step 2: Convert to fraction form
349,563.28/482,438.36 = 198,682.96/x - Step 3: Cross multiply
349,563.28x = 482,438.36 × 198,682.96 - Step 4: Simplify right side
349,563.28x = 95,852,281,382.35 - Step 5: Solve for x
x = 95,852,281,382.35/349,563.28 - Step 6: Final answer
x = 274,205.81
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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.