Finding the Fourth Proportional to 362,209.21, 543,190.78 and 125,496.63
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Solution
The fourth proportional to 362,209.21, 543,190.78 and 125,496.63 is: 188,202.32
Step by Step Solution
- Step 1: Write the proportion equation
362,209.21 : 543,190.78 = 125,496.63 : x - Step 2: Convert to fraction form
362,209.21/543,190.78 = 125,496.63/x - Step 3: Cross multiply
362,209.21x = 543,190.78 × 125,496.63 - Step 4: Simplify right side
362,209.21x = 68,168,612,337.07 - Step 5: Solve for x
x = 68,168,612,337.07/362,209.21 - Step 6: Final answer
x = 188,202.32
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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.