Finding the Fourth Proportional to 303,513.10, 454,905.15 and 125,928.70
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Solution
The fourth proportional to 303,513.10, 454,905.15 and 125,928.70 is: 188,741.82
Step by Step Solution
- Step 1: Write the proportion equation
303,513.10 : 454,905.15 = 125,928.70 : x - Step 2: Convert to fraction form
303,513.10/454,905.15 = 125,928.70/x - Step 3: Cross multiply
303,513.10x = 454,905.15 × 125,928.70 - Step 4: Simplify right side
303,513.10x = 57,285,614,162.81 - Step 5: Solve for x
x = 57,285,614,162.81/303,513.10 - Step 6: Final answer
x = 188,741.82
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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.