Finding the Fourth Proportional to 336,771.30, 504,718.20 and 136,857.99
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Solution
The fourth proportional to 336,771.30, 504,718.20 and 136,857.99 is: 205,108.68
Step by Step Solution
- Step 1: Write the proportion equation
336,771.30 : 504,718.20 = 136,857.99 : x - Step 2: Convert to fraction form
336,771.30/504,718.20 = 136,857.99/x - Step 3: Cross multiply
336,771.30x = 504,718.20 × 136,857.99 - Step 4: Simplify right side
336,771.30x = 69,074,718,368.42 - Step 5: Solve for x
x = 69,074,718,368.42/336,771.30 - Step 6: Final answer
x = 205,108.68
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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.