Finding the Fourth Proportional to 262,586.91, 393,880.38 and 209,748.99
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Solution
The fourth proportional to 262,586.91, 393,880.38 and 209,748.99 is: 314,623.50
Step by Step Solution
- Step 1: Write the proportion equation
262,586.91 : 393,880.38 = 209,748.99 : x - Step 2: Convert to fraction form
262,586.91/393,880.38 = 209,748.99/x - Step 3: Cross multiply
262,586.91x = 393,880.38 × 209,748.99 - Step 4: Simplify right side
262,586.91x = 82,616,011,885.82 - Step 5: Solve for x
x = 82,616,011,885.82/262,586.91 - Step 6: Final answer
x = 314,623.50
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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.