Finding the Fourth Proportional to 223,812.70, 336,107.85 and 118,836.70
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Solution
The fourth proportional to 223,812.70, 336,107.85 and 118,836.70 is: 178,461.49
Step by Step Solution
- Step 1: Write the proportion equation
223,812.70 : 336,107.85 = 118,836.70 : x - Step 2: Convert to fraction form
223,812.70/336,107.85 = 118,836.70/x - Step 3: Cross multiply
223,812.70x = 336,107.85 × 118,836.70 - Step 4: Simplify right side
223,812.70x = 39,941,947,738.10 - Step 5: Solve for x
x = 39,941,947,738.10/223,812.70 - Step 6: Final answer
x = 178,461.49
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1.5x scale
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.