Finding the Fourth Proportional to 104,276.40, 145,812 and 104,276.40
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Solution
The fourth proportional to 104,276.40, 145,812 and 104,276.40 is: 145,812
Step by Step Solution
- Step 1: Write the proportion equation
104,276.40 : 145,812 = 104,276.40 : x - Step 2: Convert to fraction form
104,276.40/145,812 = 104,276.40/x - Step 3: Cross multiply
104,276.40x = 145,812 × 104,276.40 - Step 4: Simplify right side
104,276.40x = 15,204,750,436.80 - Step 5: Solve for x
x = 15,204,750,436.80/104,276.40 - Step 6: Final answer
x = 145,812
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.