Finding the Fourth Proportional to 213,815.27, 295,057.81 and 118,325.99
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Solution
The fourth proportional to 213,815.27, 295,057.81 and 118,325.99 is: 163,285.85
Step by Step Solution
- Step 1: Write the proportion equation
213,815.27 : 295,057.81 = 118,325.99 : x - Step 2: Convert to fraction form
213,815.27/295,057.81 = 118,325.99/x - Step 3: Cross multiply
213,815.27x = 295,057.81 × 118,325.99 - Step 4: Simplify right side
213,815.27x = 34,913,007,475.48 - Step 5: Solve for x
x = 34,913,007,475.48/213,815.27 - Step 6: Final answer
x = 163,285.85
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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.