Finding the Fourth Proportional to 392,102.17, 588,106.49 and 107,821.60
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Solution
The fourth proportional to 392,102.17, 588,106.49 and 107,821.60 is: 161,719.54
Step by Step Solution
- Step 1: Write the proportion equation
392,102.17 : 588,106.49 = 107,821.60 : x - Step 2: Convert to fraction form
392,102.17/588,106.49 = 107,821.60/x - Step 3: Cross multiply
392,102.17x = 588,106.49 × 107,821.60 - Step 4: Simplify right side
392,102.17x = 63,410,582,722.18 - Step 5: Solve for x
x = 63,410,582,722.18/392,102.17 - Step 6: Final answer
x = 161,719.54
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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.