Finding the Fourth Proportional to 474,299.27, 711,450.12 and 193,816.52
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Solution
The fourth proportional to 474,299.27, 711,450.12 and 193,816.52 is: 290,725.28
Step by Step Solution
- Step 1: Write the proportion equation
474,299.27 : 711,450.12 = 193,816.52 : x - Step 2: Convert to fraction form
474,299.27/711,450.12 = 193,816.52/x - Step 3: Cross multiply
474,299.27x = 711,450.12 × 193,816.52 - Step 4: Simplify right side
474,299.27x = 137,890,786,411.98 - Step 5: Solve for x
x = 137,890,786,411.98/474,299.27 - Step 6: Final answer
x = 290,725.28
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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.