Finding the Fourth Proportional to 207,546.36, 286,435.50 and 127,027.50
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Solution
The fourth proportional to 207,546.36, 286,435.50 and 127,027.50 is: 175,311.12
Step by Step Solution
- Step 1: Write the proportion equation
207,546.36 : 286,435.50 = 127,027.50 : x - Step 2: Convert to fraction form
207,546.36/286,435.50 = 127,027.50/x - Step 3: Cross multiply
207,546.36x = 286,435.50 × 127,027.50 - Step 4: Simplify right side
207,546.36x = 36,385,185,476.25 - Step 5: Solve for x
x = 36,385,185,476.25/207,546.36 - Step 6: Final answer
x = 175,311.12
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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.