Finding the Fourth Proportional to 149,163.91, 223,450.60 and 130,465.06
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Solution
The fourth proportional to 149,163.91, 223,450.60 and 130,465.06 is: 195,439.34
Step by Step Solution
- Step 1: Write the proportion equation
149,163.91 : 223,450.60 = 130,465.06 : x - Step 2: Convert to fraction form
149,163.91/223,450.60 = 130,465.06/x - Step 3: Cross multiply
149,163.91x = 223,450.60 × 130,465.06 - Step 4: Simplify right side
149,163.91x = 29,152,495,936.04 - Step 5: Solve for x
x = 29,152,495,936.04/149,163.91 - Step 6: Final answer
x = 195,439.34
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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.