Finding the Fourth Proportional to 460,137.74, 690,299.92 and 193,898.12
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Solution
The fourth proportional to 460,137.74, 690,299.92 and 193,898.12 is: 290,886.50
Step by Step Solution
- Step 1: Write the proportion equation
460,137.74 : 690,299.92 = 193,898.12 : x - Step 2: Convert to fraction form
460,137.74/690,299.92 = 193,898.12/x - Step 3: Cross multiply
460,137.74x = 690,299.92 × 193,898.12 - Step 4: Simplify right side
460,137.74x = 133,847,856,724.15 - Step 5: Solve for x
x = 133,847,856,724.15/460,137.74 - Step 6: Final answer
x = 290,886.50
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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.