Finding the Fourth Proportional to 414,487.75, 571,993.11 and 235,639.75
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Solution
The fourth proportional to 414,487.75, 571,993.11 and 235,639.75 is: 325,182.86
Step by Step Solution
- Step 1: Write the proportion equation
414,487.75 : 571,993.11 = 235,639.75 : x - Step 2: Convert to fraction form
414,487.75/571,993.11 = 235,639.75/x - Step 3: Cross multiply
414,487.75x = 571,993.11 × 235,639.75 - Step 4: Simplify right side
414,487.75x = 134,784,313,442.12 - Step 5: Solve for x
x = 134,784,313,442.12/414,487.75 - Step 6: Final answer
x = 325,182.86
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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.