Finding the Fourth Proportional to 336,781.13, 504,734.30 and 136,868.88
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Solution
The fourth proportional to 336,781.13, 504,734.30 and 136,868.88 is: 205,125.56
Step by Step Solution
- Step 1: Write the proportion equation
336,781.13 : 504,734.30 = 136,868.88 : x - Step 2: Convert to fraction form
336,781.13/504,734.30 = 136,868.88/x - Step 3: Cross multiply
336,781.13x = 504,734.30 × 136,868.88 - Step 4: Simplify right side
336,781.13x = 69,082,417,654.24 - Step 5: Solve for x
x = 69,082,417,654.24/336,781.13 - Step 6: Final answer
x = 205,125.56
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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.