Finding the Fourth Proportional to 484,173.36, 726,260.10 and 129,188.70
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Solution
The fourth proportional to 484,173.36, 726,260.10 and 129,188.70 is: 193,783.07
Step by Step Solution
- Step 1: Write the proportion equation
484,173.36 : 726,260.10 = 129,188.70 : x - Step 2: Convert to fraction form
484,173.36/726,260.10 = 129,188.70/x - Step 3: Cross multiply
484,173.36x = 726,260.10 × 129,188.70 - Step 4: Simplify right side
484,173.36x = 93,824,598,180.87 - Step 5: Solve for x
x = 93,824,598,180.87/484,173.36 - Step 6: Final answer
x = 193,783.07
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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.