Finding the Fourth Proportional to 313,242.62, 469,758.62 and 113,521.19
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Solution
The fourth proportional to 313,242.62, 469,758.62 and 113,521.19 is: 170,243.62
Step by Step Solution
- Step 1: Write the proportion equation
313,242.62 : 469,758.62 = 113,521.19 : x - Step 2: Convert to fraction form
313,242.62/469,758.62 = 113,521.19/x - Step 3: Cross multiply
313,242.62x = 469,758.62 × 113,521.19 - Step 4: Simplify right side
313,242.62x = 53,327,555,490.17 - Step 5: Solve for x
x = 53,327,555,490.17/313,242.62 - Step 6: Final answer
x = 170,243.62
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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.