Finding the Fourth Proportional to 135,880.50, 202,905.72 and 110,969.96
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Solution
The fourth proportional to 135,880.50, 202,905.72 and 110,969.96 is: 165,707.66
Step by Step Solution
- Step 1: Write the proportion equation
135,880.50 : 202,905.72 = 110,969.96 : x - Step 2: Convert to fraction form
135,880.50/202,905.72 = 110,969.96/x - Step 3: Cross multiply
135,880.50x = 202,905.72 × 110,969.96 - Step 4: Simplify right side
135,880.50x = 22,516,439,632.17 - Step 5: Solve for x
x = 22,516,439,632.17/135,880.50 - Step 6: Final answer
x = 165,707.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.