Finding the Fourth Proportional to 189,884.76, 262,154.67 and 118,361.70
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Solution
The fourth proportional to 189,884.76, 262,154.67 and 118,361.70 is: 163,410.02
Step by Step Solution
- Step 1: Write the proportion equation
189,884.76 : 262,154.67 = 118,361.70 : x - Step 2: Convert to fraction form
189,884.76/262,154.67 = 118,361.70/x - Step 3: Cross multiply
189,884.76x = 262,154.67 × 118,361.70 - Step 4: Simplify right side
189,884.76x = 31,029,072,404.14 - Step 5: Solve for x
x = 31,029,072,404.14/189,884.76 - Step 6: Final answer
x = 163,410.02
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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.