Finding the Fourth Proportional to 192,901.60, 289,531.94 and 98,202.68
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Solution
The fourth proportional to 192,901.60, 289,531.94 and 98,202.68 is: 147,395.42
Step by Step Solution
- Step 1: Write the proportion equation
192,901.60 : 289,531.94 = 98,202.68 : x - Step 2: Convert to fraction form
192,901.60/289,531.94 = 98,202.68/x - Step 3: Cross multiply
192,901.60x = 289,531.94 × 98,202.68 - Step 4: Simplify right side
192,901.60x = 28,432,811,600.67 - Step 5: Solve for x
x = 28,432,811,600.67/192,901.60 - Step 6: Final answer
x = 147,395.42
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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.