Finding the Fourth Proportional to 336,781.88, 504,735.42 and 136,869.63
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Solution
The fourth proportional to 336,781.88, 504,735.42 and 136,869.63 is: 205,126.68
Step by Step Solution
- Step 1: Write the proportion equation
336,781.88 : 504,735.42 = 136,869.63 : x - Step 2: Convert to fraction form
336,781.88/504,735.42 = 136,869.63/x - Step 3: Cross multiply
336,781.88x = 504,735.42 × 136,869.63 - Step 4: Simplify right side
336,781.88x = 69,082,950,183.29 - Step 5: Solve for x
x = 69,082,950,183.29/336,781.88 - Step 6: Final answer
x = 205,126.68
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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.